peephole

He heard a knock on his door, looked out the peephole and saw “at least 20 police officers with guns drawn.”

He then heard a second, "very aggressive knock" but did not see anyone when he looked through the peephole.

A few minutes later, Fortson heard a louder knock but didn’t see anyone when he looked through the peephole, Crump said, citing the woman’s account.

The door was not equipped with a peephole, so Rehn couldn’t see who was demanding she open up.

Lopez’s father discovered the crime scene by unscrewing the peephole to the apartment when he hadn’t heard from his son, police said.