Arthur Mitchell aka "Trinity" kills Rita at the end of Season 4. Dexter discovers that Mitchell's "happy" home life is a sham, and his wife and children are actually terrified of the mentally and emotionally unstable Mitchell. read more
Dexter eventually manages to trap and kill Mitchell, but not before Mitchell made good on his promise—after disposing of Mitchell's remains, Dexter comes home to find his wife, Rita, dead as Mitchell's final victim. read more
Rita Bennett (née Brandon; later Morgan) is a fictional character created by Jeff Lindsay for his book series about a vigilante serial killer named Dexter Morgan. She also appeared in the television series Dexter, based on Lindsay's books. read more
Dexter was nominated for 23 Primetime Emmy Awards, in the category of Outstanding Drama Series four times in a row, from 2008 to 2011, and Outstanding Lead Actor in a Drama Series (for Michael C. Hall) five times in a row, from 2008 to 2012. read more