In Plain Sight (US): Season 3, Episode 10

3 - 10: Her Days Are Numbered

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.