Mary Elizabeth Barrett

After the contents of a self-storage unit purchased at an auction take the BAU to Philadelphia to investigate a series of murders, the local agent becomes the center of the case.

Frankie pulls out all of the stops in an effort to get an overexcited Sue tickets to a Justin Bieber concert; Mike is thrilled over Brick’s enthusiasm to win the school’s spelling bee and coaches him for the event; and Axl and his friends attempt to break an electronic speed limit road sign’s 15 miles per hour limit on foot.

Whitney and Katie defend an ex-cop charged with murder, but are shocked to find that the main piece of evidence is an MRI of his brain that "proves" he is a racist. Alan defends Denny in court when he is charged with wrongful termination after firing an associate for being too fat. Meanwhile, Carl is furious when once again Clarence is caught on YouTube in drag, and Jerry is nervous about taking his new relationship with Leigh to the next level.