new-criminal attorney to dive deep into the tax returns, statements, net worth, bank accounts, credit cards. reporter: and she weisselberg s son, barry, divorced in 2018. with trump and his company, the trump organization, now indicted and others under investigation for possible-tax fraud, insurance fraud, grand larsceny and other alleged schemes to defraud. jennifer weisselberg is a go-to witness for investigators because of her knowledge of her former father-in-law, allen weisselberg, and his role in the trump organization. she says conversations with investigators have focused on the compensation and gifts received from the trump organization. does it surprise you that investigators are zeroing in on allen weisselberg? absolutely not. i mean, he is the money person. reporter: weisselberg has been the company s moneyman for more than two decades. he, first, started working with the trump family in the 1970s when trump s father, fred trump, was in charge. these days, he s not ju