Conversation so far:
What was Tim Lambesis on trial for?
On May 7, 2013, Tim Lambesis was arrested in Oceanside, California, US after hiring an undercover detective to kill his estranged wife.
When did the band As I Lay Dying go on hiatus?
Nine days after Tim Lambesis' arrest, the band As I Lay Dying cancelled their mid-2013 tour.

Question: Why was he sentenced to prison?
Self-contained rewrite: Why was Tim Lambesis sentenced to prison?