Close to Home - Season 2 Episode 11 Prodigal Son
Overview: A woman is killed the night she gets engaged and the suspect is her excessively obsessed uncle, a recovering alcoholic who was discovered drunk near the scene of the crime. The defense team pleads insanity, but Annabeth feels that she has a solid case when she makes a discovery of another crime the man committed that has the same characteristics that demonstrates his unstableness.