Levi Paige, 52, was released from prison on March 14, 2017, and was then taken to approved premises.
He was last seen on March 16, 2017, when he was authorised to go to Southend Police Station to pick up some property.
He has not been seen since.
Paige, who also goes by the name of Michael Clough, is white, 5’7” in height with a slim build and brown hair.
He has a Yorkshire accent and tattoos on his neck and arms.
He is known to frequent the Southend area where he has been known to sleep in tents.
He is also believed to have travelled across the country in the past.
Anyone who has seen Paige or has information on where he might be should call Essex Police on 101.