Christopher Kenn, also known as Lumsden, carried out two assaults on strangers 11 years apart.
The footage shows the shocking moment Christopher Kenn followed the girl off a bus as she was walking along an Aberdeen street on her way home from school and then attacked her.
Christopher Kenn, who subjected two strangers - including a 16-year-old schoolgirl - to terrifying sex attacks in Aberdeen 11 years apart is behind bars.
Christopher Kenn, known as Lumsden, appeared in private at Aberdeen Sheriff Court for a second time yesterday over an incident on Byron Crescent on January 14.
A man has appeared in court today charged with sexual assault over an alleged attack on a teenage girl in Aberdeen.