Why 319?

There's a serial killer loose in Metro Detroit, but nobody knows it. Three female victims have been discovered in motel rooms in different suburban cities that surround Motown. These deaths have not captured the media's attention. The only connection is that each body is found in room 319 and the killer leaves the taunting message "Why 319?" on the bathroom mirror, written with the victim's lipstick. The nude bodies have been cleaned and neatly arranged. All personal items are gone.Now...
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There's a serial killer loose in Metro Detroit, but nobody knows it. Three female victims have been discovered in motel rooms in different suburban cities that surround Motown. These deaths have not captured the media's attention. The only connection is that each body is found in room 319 and the killer leaves the taunting message "Why 319?" on the bathroom mirror, written with the victim's lipstick. The nude bodies have been cleaned and neatly arranged. All personal items are gone.Now an elite squad of detectives has entered the scene. It's up to them to take over the investigations from the police force and solve the riddle. The detectives know that time is not on their side. If the public learns there is a serial killer at large, will panic set in? Will they be able to figure it out before the killer strikes again?