The Mentalist S2 E8
His Red Right Hand

The CBI team is faced with a violent and shocking crime in their own office, but must work the case in spite of their alarm of who may be behind it. Meanwhile, Rigsby and Van Pelt are definitely an "item".
The Mentalist S2 E8

The CBI team is faced with a violent and shocking crime in their own office, but must work the case in spite of their alarm of who may be behind it. Meanwhile, Rigsby and Van Pelt are definitely an "item".