Police Week

Officers of the Lancaster City (PA) Mounted Police assemble for the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

A mounted officer from the Harris County (Texas) Sherrif's office attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Thousands of law enforcement officials gather for the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Members of the City of North Las Vegas (Nevada) Police Department Honor Guard get together for a group photo at the National Police Week's 27th Annual Candlelight Vigil which took place at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Members of the City of North Las Vegas (Nevada) Police Department Honor Guard get together for a group photo at the National Police Week's 27th Annual Candlelight Vigil which took place at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Anthony W. Batts

Anthony W. Batts, the Police Commissioner of the Baltimore City Police Department, attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Anthony W. Batts

Anthony W. Batts, the Police Commissioner of the Baltimore City Police Department, attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Anthony W. Batts

Anthony W. Batts, the Police Commissioner of the Baltimore City Police Department, attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

A memorial to slain police officer Sean Robert Clark of the Charlotte-Mecklenburg Police Department. The National Police Week's 27th Annual Candlelight Vigil took place at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Patrick Melvin

Chief Patrick R. Melvin, Chief of Police for the Salt River (Arizona) Police Department attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

George N. Turner

Atlanta Chief of Police. George N. Turner attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

William Gross

William Gross, Superintendent-in-Chief of the Boston Police Department attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Loretta Lynch

Loretta Lynch, Attorney General of the United States, attends the National Police Week's 27th Annual Candlelight Vigil where she will be a keynote speaker, at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Loretta Lynch

Loretta Lynch, Attorney General of the United States, attends the National Police Week's 27th Annual Candlelight Vigil where she will be a keynote speaker, at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Jeh Johnson, Craig W. Floyd

Jeh Johnson (left), United States Secretary of Homeland Security; and Craig W. Floyd, Chairman and Chief Executive Officer of the National Law Enforcement Officers Memorial Fund (NLEOMF) attend the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. Both men had prominent speaking roles at the event. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Thousands of candles such as these were given out at the National Police Week's 27th Annual Candlelight Vigil which took place at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

A delegation from the Flagler County (Florida) Sheriff's Office attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Officer George Bender (center) of the Flagler County (Florida) Sheriff's Office was one of thousands who attended the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

P.C. David Drury of the Cumbria Constabulary (United Kingdom) was one of many from the international police community to attend the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

P.C. David Drury of the Cumbria Constabulary (United Kingdom) was one of many from the international police community to attend the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Kirsty Eastwood-Smith of the London (U.K.) Metropolitan Police was one of many from the international police community to attend the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

P.C. David Drury of the Cumbria Constabulary (United Kingdom) was one of many from the international police community to attend the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

A delegation from the Flagler County (Florida) Sheriff's Office attends the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Thousands of candles such as these were given out at the National Police Week's 27th Annual Candlelight Vigil which took place at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Police Week

Officer's pay tribute to Slain Sacramento County Sheriff's Deputy Danny Oliver at the National Police Week's 27th Annual Candlelight Vigil which took place at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. Oliver, a 15-year veteran of the Sacramento County Sheriff's Department, left behind a wife and two daughters. He was killed on Oct. 24, 2014. (Photo by Jeff Malet)

Police Week

These family members of a slain police officer were among the thousands that attended the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Loretta Lynch

Loretta Lynch (center), Attorney General of the United States, speaks at the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Loretta Lynch

Loretta Lynch (center), Attorney General of the United States, speaks at the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Craig Floyd

Craig W. Floyd, Chairman and Chief Executive Officer of the National Law Enforcement Officers Memorial Fund (NLEOMF), speaks at the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)

Craig Floyd

Craig W. Floyd, Chairman and Chief Executive Officer of the National Law Enforcement Officers Memorial Fund (NLEOMF), speaks at the National Police Week's 27th Annual Candlelight Vigil at the National Law Enforcement Officers Memorial in Washington D.C on Wednesday May 13, 2015. The Candlelight Vigil is held in honor of the law enforcement community to pay special tribute to officers who have given their lives in performance of their duties. (Photo by Jeff Malet)