Connie Navarro and her best friend Susan Marshall Jory were shot dead by her ex-boyfriend John Riccardi in 1983, when the Jane's Addiction guitarist was 15.

Before her death, Connie suffered domestic violence at the hands of Riccardi and the guitarist reveals he was a victim too.

"In 1983, my mother was murdered when I was just 15-years-old," he writes on The Huffington Post. "In my documentary Mourning Son, stories unfold surrounding that tragedy, (but) there was one particular event I had kept quiet about for most of my life.

"My mother's ex-boyfriend had threatened me with a gun and handcuffed me, leaving me terrified and helpless as I heard yelling and physical commotion downstairs between my mother and him," he continues. "The crippling fear I felt as a child during this moment is unforgettable. That type of trauma is something no child should ever experience.

"The sad reality is that more than 3 million children in the U.S. witness domestic violence in the home every year. Most are powerless to do anything about it. As was I."

The 49-year-old now works as a an advocate for domestic violence victims and their children and is urging people to help provide a safe place for kids in dangerous situations.

"We have to be their voice," he adds. "The burden should not be put on children to either come forward or suffer in silence. As adults, we need to create safe spaces for kids and teens to talk openly about domestic violence, so a child who may be experiencing or witnessing abuse can speak freely and get the help they desperately need.

"My mother Connie was a beautiful, funny and kind woman," he continues. "She was no doubt a cool mom. Unfortunately, she dated a jealous and insecure man who ultimately murdered her... His actions forever changed a family."

Riccardi was convicted in 1994 and is serving a life sentence in prison.