Watch: Authorities release video of murderer escaping Pennsylvania jail yard

The Pennsylvania prisoner who recently escape from a suburban Philadelphia jail yard while serving a murder sentence scaled a wall, climbed over razor wire and jumped from a roof to flee, according to authorities.

The Chester County District Attorney's Office on Wednesday release a video clip of the escape. WATCH HERE 

The Aug. 31 escape wasn’t detected by guards for an a hour, authorities also said.

The manhunt for escaped murderer Danelo Cavalcante on Thursday continued into its eight day. 

The 34-year-old Cavalcante used the same route another prisoner took in May.

 A tower guard on duty during the breakout was put on leave as part of the escape investigation, according to the Associated Press.