Ask them if they believe there's a different justice system for politicians. Then point towards HRC and her "carelessness" with top secret stuff while a navy grunt guy went to prison for doing less (took souvenir photos of his ship)
Show this video to them.
I was in medical field, drawing blood without gloves (back then we didn't) and unknowingly drew blood on a few that had AIDS. I thank God I never stuck myself. They were all closeted gays.