Officers will record the demographic information, including gender and race, of every person they stop, as well as the length of the stop.
A passerby discovered the bodies near the intersection of South Broadway and East Ohio Avenue and alerted police shortly before 11 a.m. Thursday.
Pazen replaces the controversial Robert White, who announced his retirement in April.
The Denver Police Department can help you install theft prevention screws on your plates, among other things.
An editor of The Colorado Independent was handcuffed for taking photos of a naked, black man being handcuffed in public.
Pazen, a DPD veteran, is a Denver native and a former U.S. Marine who served during the Gulf War.
Police spokesman Sonny Jackson says preliminary information points to a conflict between the driver and passenger.
Police say the two men were stabbed with a pocket knife as they left The Church nightclub, holding hands.
The principal of Rise Up Community School says police drew weapons during a search for a student. The department has its own version of events.
There have been 27 killings so far this year, but Denver remains much safer than other cities.