Families' fearful wait to learn alleged abuser's moves

Parents have been left lying awake with fear over the abuse allegations, a child advocacy body says. (Bianca De Marchi/AAP PHOTOS)

Authorities have been accused of dropping the ball in their failure to disclose an alleged child abuser's full work history as police dig into his past.

Joshua Dale Brown has been charged with more than 70 sex offences after allegedly abusing eight children aged under two at a childcare facility at Point Cook, in Melbourne's southwest.