Kyrsten Sinema ’s boyfriend, Matthew Ammel , is involved in a bitter court battle with his estranged wife -- and the ex claims Matthew abused narcotics and psychedelics ... TMZ has learned. Matthew’s estranged wife, Heather Ammel , filed court docs in March 2025 seeking custody of their three kids and child support. In seeking primary custody of the kids, she claims Matthew has a history of “uncontrolled bouts of anger" ... adding he oftentimes expresses his anger by punching the wall of their