american top 40 host casey kasem say they are being barred from seeing their father who is suffering from parkinson's disease. "showbiz tonight"'s a.j. hammer has more on this troubling family drama. >> this is sood story anyway you look at it, fred. oldest daughter of 81-year-old casey kasem is claiming her stepmother, jean kasem, is banning them from seeing him. kerri kasem says she used to visit her dad once a week until three months ago when she was suddenly no longer allowed visitation. this week the family decided to go public with their concerns. on tuesday they held a protest at kasem's home in california. they taped it and they released the footage to get the word out. there have been some accusations that casey's children want access to him because they're after his estate. that's something kerri strongly denies. she said, my dad told us a long time ago we were not in the will and we're okay with that.