Gentleman sells his house but won't move out, while new owners have been paying mortgage for 14 months

Tracie and Myles Albert bought a house in Riverside, California in January 2020 fully expecting to move in. But for the last 14 months, the previous owner has refused to move out. The Alberts have been paying the mortgage for 14 months but were told by the Riverside Sheriff's department that they are forbidden to so much as step on the front lawn of their own home under penalty of trespassing. — Read the rest