Dan Reed said he has received thousands of “horrible” emails including material “as disgusting as you could possibly invent”.
“I’m now getting horrible email messages from Michael Jackson fans about my children,” Reed said.
Jackson’s estate has called the documentary “tabloid character assassination” and labelled the testimonies from Robson and Safechuck a “public lynching” with “no truth”.
The four-hour long documentary premiered at the Sundance Film Festival in Utah last week and left audience members shocked by the details of the allegations.