I'm not a violent man.
Samuel "Sam" Keating was a recurring character on How to Get Away with Murder, he was a professor of psychology and the husband of Annalise Keating for over 20 years until his death. Sam was involved in a sexual relationship with Lila Stangard that eventually lead to his death.
Sam was introduced in the show as Annalise's husband, a professor at Middleton. He tells them that they should not doubt his knowledge just because he doesn't teach law.
Wes kills him by smashing his head with the trophy as he's strangling Rebecca. After, The Keating Five (sans Asher) burn his body in the campus woods to remove their DNA. They then cut his body up and put them into trash bags that are eventually found at a landfill. The police identify his body with the DNA they had on sample from the Lila Stangard case.
In the final episode, It's All My Fault, Sam is seen in a flashback on the night of the murder. It show shows that Sam ordered Frank to kill Lila to prevent her from telling anyone about their relationship.
This is a gallery of photographic stills released to promote the character.