The Blindspot introduced a new big bad on Monday, but there is a good chance you missed it.

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Lou Diamond Phillips popped up in a photo during "Eight Slim Grins," and soon Bethany Mayfair (Marianne Jean-Baptiste) and Co. will be seeing a lot more of the man named Saúl Guerrero. We're telling you now - Mr. Guerrero is certainly not someone you want cropping up on the regular.

 "[Phillips will] appear in a recurring basis as Saúl Guerrero, a feared criminal and pivotal character from Bethany Mayfair's past that will send shock waves through the FBI," Deadline revealed on Wednesday. "Phillips' character was briefly introduced via a photo in the most recent episode and will loom large as the season progresses."

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Now we're itching to know if this new villain has a connection to any of Jane Doe's (Jamie Alexander) ink.

While you wait to find out, Blindspot will continue to unravel the tattooed enigma in "Bone May Rot," "Split the Law," "Cede Your Soul," "Sent on Tour," "Persecute Envoys, " and "Authentic Flirt."

Blindspot airs Mondays at 10 p.m. ET on NBC.

Tags: Blindspot television nbc