Chip Joslin

A case involving a serial killer believed to be copying Jack the Ripper takes Gideon to New Orleans after three victims are found with their throats cut.

After a case languishes in the Jane Doe category for a year, a girl asks for the team's help finding her older sister, a teenage Amish girl who disappeared weeks after leaving home to go to Philadelphia and experience the outside world as part of Rumspringa, an Amish right of passage. Rush and the others reopen the year-old case.

Veronica helps animal researchers track down their missing monkey by going undercover. Meanwhile, Mindy O'Dell asks Keith to investigate her husband's death.