Sebastian Smith, of no fixed address, and Becki West-Davidson, 30, of Rope Walk, Ipswich, were also convicted of murder.
Earlier in a victim statement read to the court Mr Pooley s mother Samantha Nicholls described her 22-year-old son, who was autistic and had learning difficulties, as “vulnerable”.
Addressing his killers directly across the courtroom, she said they had robbed her of a future with her son.
Ipswich Crown Court
And she told Palmer he was a “violent bully”.
She added: “You had choices that night and you made the wrong ones. You will have to live with the knowledge of what happened.”
Great Yarmouth man Sean Palmer sentenced at Ipswich court edp24.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from edp24.co.uk Daily Mail and Mail on Sunday newspapers.