Presley Gerber died on Sept. 20 after an apparent overdose

NEED TO KNOW

Presley Gerber died at age 27 from an apparent overdose and cardiac arrest

A source tells PEOPLE his mother, Cindy Crawford, is “heartbroken”

Presley had been open about his mental health struggles and aimed to help others through his experiences

In the wake of Presley Gerber’s death, his mother, supermodel Cindy Crawford, has been left “heartbroken,” a source tells PEOPLE.

“Cindy is completely in shock over Presley’s devastating death,” a source close to Crawford shares. “She is heartbroken.”

Presley, whose father is Crawford’s husband, businessman Rande Gerber, died on Sept…

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