Call me, maybe?

After finding Emile murdered at the end of last week's Major Crimes, the squad learns via phone records on Monday's episode that whoever called Tamika before she died also called Emile after he was released from questioning. But who is this mystery person? No one knows yet.

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"We're set up on the mystery phone, but it's turned off," Tao (Michael Paul Chan) says in the exclusive sneak peek above. "Battery out."

So now it's just a waiting game. But can they really just sit around until the next call? Watch the clip for more.

Major Crimes airs Mondays at 9/8c on TNT.