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Mastermind of Murder
PREMIERES APRIL 18 | SUN 8:30/7:30c

S1 E906/13/21

Ultimate Sin
Also available on the nbc app

After leaving a support group, a young mother is gunned down by a masked shooter. As investigators try to make sense of the case, they reveal a story of religious manipulation that leads to one person committing the ultimate sin.

Available until 01/01/23
Tags: Mastermind of Murder, true crime show, oxygen, crime documentary
S1 E944 minTV-PGFull EpisodeReality and Game ShowDaytime
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