Anthony Gaskins

An unanticipated event puts Watson back in contact with Elana March (Gina Gershon), a crime boss she helped put away; while Watson is preoccupied, Holmes asks Detective Bell to help him solve a theft at a zoo.

In the Season Four finale, Finch and Root race to save The Machine, which has been located by its AI rival, Samaritan. Also, Reese is caught in the middle of the final showdown between rival crime bosses Elias and Dominic.