Captain Olivia Benson (Mariska Hargitay) has always been the loudest voice for victims on Law & Order: Special Victims Unit.

Although she didn't get a lot of screen time, Serena Benson has an important role in her daughter's history in Law & Order: ...

It takes a disturbing case to rattle the indomitable Olivia Benson ( Mariska Hargitay) on Law & Order: Special Victims Unit.

Olivia "Liv" Benson is a fictional character ... In the season two episode "Taken", Benson's mother dies falling down a flight of subway stairs outside the entrance to a bar.