Now to the headlines involving an american sports legend tonight. Cal rip ken jr speaking out since the bizarre abduction of his mother. He's asking for the public's help. Reporter: A shaken baseball... See More
Now to the headlines involving an american sports legend tonight. Cal rip ken jr speaking out since the bizarre abduction of his mother. He's asking for the public's help. Reporter: A shaken baseball legend cal ripken didn't want to talk to reporters. The reason I'm standing reluctantly in front of you is just to help the process. Reporter: The process to find his mother's kidnapper, this man according to police. It was last tuesday that a masked man entered vi ripken's garage, cal's boyhood home. Kidnapping her a gunpoint driving off in her car. 14 hours later, cal got the call. His mom was missing. It was the worst feeling you can imagine. Reporter: The hometown boy who thrilled fans for years felt helpless. I physically got in the car and drove around, it's like trying to find a needle in a haystack I suppose. But it made me feel like I was doing something. It was a horrible night. Reporter: The kidnapper reportedly made her comfortable. He was captured by security cameras at a maryland walmart. the car and vi ripken near her house. Tonight the mystery remains. Was it ripken's celebrity the fact that he's a hall of famer known as the ironman because of his streak of not missing a game. Was it that notoriety that led to his mother being kidnapped? Reporter: Police say they don't know and neither does rip ken. But he believes the kidnapping was premeditated. It's bizarre on many levels and it's unsettling on many levels. I think I struggle with why. So I'd want to know why. Reporter: His mother still too desrout to live in her home. Which is why more than a half a dozen bill boards around baltimore are the plea of the baseball hero looking for the man who took his mom.
This transcript has been automatically generated and may not be 100% accurate.