OKLAHOMA CITY (AP) — Several detention officers at the Oklahoma County jail are being investigated by the attorney general due to an increase of inmate mistreatment complaints since a public trust took over operation of the jail.

In the latest incident on March 22, detention officer Frantz Desir, 36, is being accused of shoving an inmate with both hands during an argument, The Oklahoman reported.

The inmate, Dylan Buxton, was injured when he fell backward and struck his head against a metal table, according to the charge.

Two other officers were charged earlier this year with assault and batte...