republican antagonists. >> our party has been hijacked. >> reporter: he's one of two republican members investigating the january 6 attack on the clc capitol. they asked for him to be relieved under the amendment that the president is unfit to serve. >> the president is unfit and the president is unwell. >> trump has trading insults at times calling the 34-year-old congressman crying adam kinzinger and vowing to help unseat him. >> adam kinzinger. get rid of them all. >> reporter: one possible reason for kinzinger's decision, his illinois district is being redrawn which could have pitted him against a trump ally in his primary. but there are other factors at play. kinzinger is one of ten republican house members who voted to impeach trump during his second impeachment earlier this year. trump has turned on all of them. kinzinger and anthony gonzalez are declining to seek