S1, E6: As Josh (Nicholas D'Agosto) focuses on his new suspect, Larry (John Lithgow) insists on taking a lie-detector test to help prove his innocence, but the results drop a bombshell on the case and the family. Dwayne (Steven Boyer) briefly becomes a hometown celebrity as the man who found an arm in the lake, and the team gets a surprising new benefactor. Sherri Shepherd, Jayma Mays and Krysta Rodriguez also star.