Episode 12 - Diggin' Up Dirt - Air Date January 9th

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When Riggs visits his father-in-law in prison (guest star Tony Plana), a walk down memory lane reveals an old secret about his deceased wife (guest star Floriana Lima). Meanwhile Murtaugh tries to impress Captain Avery, and, united by the death of a mutual friend, Trish and Leo Getz (guest star Thomas Lennon) try and solve a murder on their own.