Convicted killer who drove bus in crash that killed 6 children back behind bars after new arrest

A repeat offender is back in jail in Tennessee after online court records indicate he is facing a slew of new charges related to an alleged domestic violence incident. On Wednesday, records from the Davidson County Sheriff’s Office list convicted killer Johnthony Walker, 34, in a Nashville jail facing seven new charges relating to this incident. This is not Walker's first run-in with the law; he was convicted of negligent homicide in a school bus crash that killed six children, and injured dozen