Pennsylvania authorities have released footage of the moment murder convict Danelo Cavalcante escaped from prison. At a press conference on Wednesday, state police said that Cavalcante managed to escape from Chester County Prison by jumping onto the facility’s roof from an exercise yard. Surveillance video shows Cavalcante crawling up a wall before he disappears from the frame. Police said that he later managed to jump down to an area of the prison that had less surveillance. A tower officer who was tasked to observe the area failed to report the incident, and Cavalcante’s escape was only noticed later during a head count. This is a developing story ... check again for updates.