writing, as the son of a polish holocaust survivor, the images and sounds of this family heart-wrenching. children should never be used as bargaining chips. have you talked to mr. trump about a pardon? reporter: president trump has insisted his former fixer would never flip. are you concerned michael cohen will flip on you? i have nothing to do with that. reporter: but sources tell abc news, cohen is likely to cooperate with federal investigators. and kyra, there s news tonight that michael cohen has now hired a new lawyer? reporter: that s right. cohen has hired criminal defense attorney guy petrillo, who once led the same unit in new york s southern district that s investigating cohen now. so, the big question tonight, do all these developments create a foundation for a flip? david? kyra phillips on the case again tonight. thank you, kyra. there s still much more ahead on world news tonight this wednesday. the deadly police shooting. an unarmed teen sprinting from