Satanic ritual abuse came out in the 80's, but it was followed by the prominence of the False Memory Syndrome Foundation founded in '92, that claimed such allegations were 'false memories'.

This looks good:

http://www.screamsfromchildhood.com/hoax_false_memory.html

Lana Alexander, editor of a newsletter for survivors of child sexual abuse, has said, “Many people view the false memory syndrome theory as a calculated defense strategy developed by perpetrators and the lawyers and expert witnesses to defend them.”