Oscar Pistorius apologizes to girlfriend's family

Oscar Pistorius apologizes to girlfriend's family

April 7, 2014 Updated Apr 7, 2014 at 10:48 AM CDT

Olympic sprinter Oscar Pistorius took the stand in his murder trial on Monday, and began by apologizing to the family of his girlfriend.

He is charged with her murder. Find out the latest developments by watching the video below.