The timeline, according to wiki:
In September 1991, she began studies at Drew University in New Jersey.
In January 1992, Farrow found nude photographs of [Soon-Yi] Previn in Allen's home.
According to court testimony, on August 4, 1992, Allen visited the children at Mia Farrow's home in Bridgewater, Connecticut, while she was shopping with a friend.
Woody was a fool to visit Mia's house, at a time when Mia was enraged over Woody's relationship with Soon-Yi.
“According to court testimony, on August 4, 1992, Allen visited the children at Mia Farrow’s home in Bridgewater, Connecticut, while she was shopping with a friend.”
According to Moses Farrow, he was home at the time, the whole time, Allen was alleged to have molested Dylan and he KNOWS the molestation did not happen.
http://mosesfarrow.blogspot.com/2018/05/a-son-speaks-out-by-moses-farrow.html