Pretty Little Liars Season 4, Episode 10 Sneak Peek: Caleb the Detective (VIDEO)
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Pretty Little Liars

Pretty Little Liars Season 4, Episode 10 Sneak Peek: Caleb the Detective (VIDEO)

Seriously, can Caleb (Tyler Blackburn) be any more perfect? In this sneak peek of Pretty Little Liars Season 4, Episode 10: "The Mirror Has Three Faces" (August 13), the tech genius proves just how valuable he can be when the Liars use him in the battle against "A".

In this clip from the episode, we learn that Caleb has been working on finding out more about the mysterious PO box in Philly. While he doesn't have proof that it belongs to CeCe, he has managed to connect the PO box to a cable bill, which is connected to a physical address, which could be the key to finding out who Nigel Wright was calling.

See? As we said, Caleb is perfect.

Here's the official synopsis of the episode:

Still living at a motel, Emily is taken aback when Mrs. Dilaurentis offers to let her move into Ali's old room and is even more distraught when the other Liars insist she take Mrs. D up on her offer. Hanna explodes when it appears her mother's recent good fortune has taken a turn for the worse. And Ezra continues to reel from Maggie's big news when he's dealt an even more crushing blow regarding his son.

Meanwhile, Aria makes an effort to get involved in Jake's (Ryan Guzman) interests and finds herself with an opportunity to follow up on a lead. And "A" continues to toy with Toby's emotions regarding his mother's death, and Spencer is along for the ride.

Check it out below!

Catch the episode on Tuesday, August 13, 2013 at 8 p.m. ET/PT on ABC Family.

Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter @BeccaDMartin.

Catch the episode on Tuesday, August 13, 2013 at 8 p.m. ET/PT on ABC Family.

Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter @BeccaDMartin.