In Plain Sight (2008)

Season 3: Episode 10

A witness with Aspergers who has no social filter and can't lie stymies Mary, particularly when the witness refuses to testify against her only friend – the key conspirator in a numbers case. Meanwhile, Marshall and Stan race to figure out why an Immigration and Customs Enforcement agent is holding up the visa of a key witness before she is deported. Plus, Brandi reveals her plan for the money she made by investing with Scott.