Robert Carpenter, 66, was able to mix with dementia residents at Raleigh Court, run by the Humberside Independent Care Association, despite previous convictions dating back to 1968.
Kurtis Dilks, 35, was part of a gang who smashed into the Surrey home of footballer Ashley Cole and threatened to cut his fingers off. But he was also in the trio who stole the £3.5m Portland Tiara.
Daniel Joslin, 40, was last seen in the vicinity of St Marie’s Catholic Church, Oak Street, Rugby, at around 7.29am on Wednesday, May 25.