Paul Butcher

Hotch's unexplained absence quickly becomes apparent when the team is called back together to profile a killer targeting an emergency room doctor.

Detective Booth and anthropologist Brennan investigate the assault and murder of a boy found in a field.

Sipowicz is still studying for the sergeant's exam. Medavoy's trial is today. Jones is still looking for Michael, he's been in email contact with him, but Michael doesn't want to be found by his real father.

David and Keith try to overcome their problems, but Karla's secret makes things worse; Brenda's engagement anxiety brings her to Melissa.