Biden says he thought about suicide after 1972 death of his wife and daughter

Joe Biden says he contemplated suicide following the 1972 car crash that killed his wife and daughter, opening up about his personal encounters with loss in pre-released clips on Monday from an upcoming documentary.

The presumptive Democratic nominee's life has been defined by the deaths of those close to him. Although tragedy forms a crucial part of his political outlook, Biden's comments represent some of the most intense disclosures about his mental health struggles after the deaths of his family members.

"I thought about it, not doing it. I thought about what it would be like just to go to the Delaware Memorial Bridge and just jump off and end it all," Biden told CNN correspondent Gloria Borger as part of a CNN documentary that will air next month. "But I didn't ever get in the car and do it or wasn't ever even close.