PHOENIX (AP) — An 81-year-old man who has spent most of his adult life behind bars for stealing from banks said he robbed a credit union in Tucson months after his release from prison because his monthly $800 Social Security payment wasn't enough to live on, according to court records.

Robert Francis Krebs also told FBI agents that he didn't wear a disguise to the January 2018 robbery because he "kind of wanted to get caught" and return to prison.

Details of the heist were revealed in court records filed Friday over whether Krebs, who turns 82 next month, is mentally fit to stand trial.

His la...