The estranged husband of Ruby Franke -- a mom who rose to fame on YouTube and later pleaded guilty to child abuse -- is now speaking out to warn other families about the dangers of social media.

Never-before-seen video of former mom influencer Ruby Franke, who shot to fame chronicling her life with her husband and six kids on YouTube, has emerged. Now, Ruby's estranged husband and oldest son are speaking out for the first time about the horrors that unfolded in their home ( The father and son open up to PEOPLE magazine ( Kevin Franke,

In an interview with GMA, Kevin and Chad Franke said everything changed in their household once Ruby hired Jodi Hildebrandt.