35-year-old Paul Felyk of Westminster, Colorado was on the roof of a Marshalls store on Sunday, he fell 20 feet into a small crawlspace between two walls, and was trapped.

He started screaming for help on Monday, and the employees could hear someone yelling, but they couldn't quite pinpoint where the yelling was coming from. So, they just left.

Paul kept screaming on Tuesday, and this time, someone finally realized the screams were coming from inside the walls.

Firefighters were able to get Paul out after three days and he was taken to the hospital. Now the cops are investigating how he ended up between the walls.

Read more at 9news.com.

(Longmont Fire Department)
(Longmont Fire Department)
(Longmont Fire Department)