"We should all find comfort and strength in the fact that we have come together to honor the lives of every law enforcement officer throughout the country, who form the thin blue line that divides good from evil", the chief said.
A memorial service at 11 a.m. Thursday at the Hancock County Courthouse in Bay St. Louis will remember five law enforcement officers killed in that county. The service is taking part at 11025 Voyager Parkway in Colorado Springs.
Wynn recognized local officers who died in the line of duty.
Seventh-grader Sam Hendrix will give the speech this year.
Peace officers from various agencies salute during a memorial service for fallen police in downtown Dallas, Wednesday, May 17, 2017.
Nationally, more than 20,000 law enforcement officers have died while serving since the first recorded death in 1791 - 145 just a year ago, the most since 2011.More news: Man United held by Southampton in 0-0 stalemate
More news: Emmanuel Macron angers French right by appointing 11 women in 'balanced' cabinet
More news: Roger Ailes dead at 77, Fox News says
Chattanooga Police Department Chief Fred Fletcher opened by thanking friends, family, police officers and elected officials for their support.
Thirteen new officers, from agencies including the Nevada Department of Corrections, the U.S. Drug Enforcement Agency and the Lincoln County Sheriff's Office, were honored in addition to those from Metro, North Las Vegas and Henderson police agencies.
Across the US, police departments have taken part in National Police Week, which allows citizens the opportunity to honor America's law enforcement community.
It was a special evening for many, like Ethan LePiane who lost his grandfather, Stephen LePiane, in the line of duty.
"We need to establish a fitting memorial that recognises the vital contribution that policing makes to our society and acknowledges the courage and sacrifice made by police officers and police staff who have paid the ultimate price". "Now, more than ever, the presence and well being of law enforcement officers is vital to maintaining our communities' safety and meeting the demands of the profession". Tomorrow, let us work even harder to prevent future tragedies and find ways to show our gratitude for those who rush to our aid when we are faced with life-threatening danger.
"If a person [police officer] lives for some period of time, but ultimately dies of their injury, than you can be charged with their murder", he said.