Trump said he envisions a country completely devoid of crime and cited MS-13 street gang as a scourge, speaking to frequent applause at the annual National Peace Officers Memorial Day service.
This day has been observed in our country annually ever since. On Peace Officers Memorial Day, we pay tribute to the members of the law enforcement community who we've lost, and we also honor their families, who have sacrificed so much.
The lighting of blue lights on Monday night is part of a celebration of Peace Officers Memorial Day, a 55-year-old tradition started by former President John F. Kennedy, the Daily Mail reported.
President Donald Trump, appearing at a memorial service honoring 394 police officers killed in the line of duty in the past year, reiterated his support for law enforcement and criticized verbal and physical "attacks" on them.
"I pray that I never have to attend the funeral of one of our deputies or one of our law enforcement professionals in our community", Racine County Sheriff Christopher Schmaling said.
"May today be the beginning of a new era of respect and appreciation for law enforcement".
"They've had it with what's going on, and we're going to get it taken care of".
The services offer a reminder that fighting crime is unsafe work for the 900,000 sworn law enforcement officers in the United States.
On average, one law enforcement officer is killed in the line of duty in the USA every 63 hours, according to the National Law Enforcement Officers Memorial Fund.