Plot summary
A witness with Asperger's Syndrome (Karina Logue) who has no social filter and can't lie confounds Mary, particularly when the witness refuses to testify against her only 'friend'; the key conspirator in a numbers case. Meanwhile Marshall and Stan manage to keep a witness whose temporary visa is to expire after she had testified at trial. She gets investigated by ICE after she steals medical supplies to cure patients in her home country.
Credits
Adapted from Wikipedia contributors, List of In Plain Sight episodes. HTML formatting and reference markers removed.