Among them were up-to five paedophiles, including one of who latched onto a 13-year-old boy online and asked him about his fantasies.
Also locked up at Leeds Crown Court during December was a would-be terrorist who shared sickening beheading videos online and pledged his allegiance to ISIS.
Here are the names and faces of 41 criminals who appeared before judges at Leeds Crown Court last month...
37. Kenneth Smith
Kenneth Smith was told he “preyed on hard-working small businesses” in Headingley after admitting 10 offences, including eight burglaries and two burglaries with an intent to steal. His spree began in June when he broke into a takeaway on Otley Road, wearing a face covering and a crowbar, he smashed his way in and causing £1,000 worth of damage, before emptying the till of £500. He was jailed for four years. | WYP / Google Maps / YEP
38. Thomas Purviss
Pervert Thomas Purviss has been jailed for 18 months and put on the sex offender register for 10 years after he posted footage he took of a sexual encounter with two females. Purviss loaded the camera footage onto Snapchat with a tagline of “free porn”, much to the horror of the victims. The 33-year-old appeared at Leeds Crown Court where he admitted two counts of sharing intimate films for sexual gratification. | WYP / PA
39. Kory Cowell
Kory Cowell, who was suffering from psychosis, attacked an 80-year-old who was pushing a relative along Harehills Road in a wheelchair. The 39-year-old had failed to take his medication and launched at the elderly man without provocation. Cowell has 19 previous convictions for 35 offences including drug dealing, public order and for firearms. He was jailed for 18-months and given a restraining order of indefinite length. | WYP / Google Maps