"We need law and order," he added.
Diller was fatally shot on Monday during a contact in Queens after a man with 21 prior arrests allegedly shot him in the stomach as Diller was trying to get the suspect, Guy Rivera, 34, to exit a vehicle. Rivera opened fire on Diller and his partner at about 5:45 p.m. Monday. The officers approached the vehicle because it was illegally parked at a bus stop.
The Trump campaign first announced Wednesday that the 45th president would attend the wake.
New York City
Mayor Eric Adams was anticipated to also attend the wake following Trump.
Trump told the New York Post in a recent interview that the "radical lunatic left" is ruining cities and preventing police officers from doing their jobs.