SAN DIEGO - A family is mourning the death of a Mission Beach man who was found dead near a Southern California lake.

Jake Roberson had been missing since mid-January, and his disappearance was considered mysterious.

A few weeks ago, Roberson's abandoned SUV was found along Interstate 5. A note was found on the window saying he was looking for gas.

Recently, Roberson's pants and car keys were found near Pyramid Lake in Los Angeles County.

In a phone interview from Ohio, his mother Sharon Roberson said a fisherman found her son's body.

"I'm not going to see him again, and that beautiful smile; and it's overwhelmingly sad," she said.

Roberson's mother said her son suffered from bipolar disorder and was off his medication. She said when that happens, he sometimes gets a spiritual connection with water, which could explain what happened to him.

"We all love him and we miss him to the moon and back," Roberson's mother said.