Republican U.S. Senators grilled one of Trump’s appeals court nominees for his past rulings on religious liberty during an hour-long hearing Wednesday.

Halil “Sul” Ozerden of Mississippi, who’s up for the lone vacancy on the U.S. Court of Appeals for the Fifth Circuit, has drawn criticism from conservatives for allegedly not being conservative enough, and scorn from religious liberty groups who opposed his 2012 dismissal of a case challenging the Affordable Care Act’s mandate that employers’ insurance include contraceptive coverage.