Gosselin Family Drama Continues Over Abuse Allegations and Estrangement

Collin Gosselin claims mother Kate abused him and had him institutionalized at age 12.
Kate denies abuse allegations, says Collin has long history of violent behavior.
Jon Gosselin defends son Collin, accuses Kate of false allegations.
Sister Mady distances herself from Collin over past threats and violence.
Accusations stem from Collin's recent interview discussing strained relations with Kate.