There is no known criminal investigation into the former Maine Senate candidate, but experts told NBC News what a potential case could look like.Graham Platner, an oyster farmed turned progressive candidate, withdrew his Senate campaign in Maine after a former girlfriend said he sexually assaulted her.Sofia Aldinio for NBC NewsJuly 15, 2026, 3:22 PM EDTGraham Platner officially exited the race for U.S. Senate in Maine last week after a sexual assault allegation against him emerged. But even though Platner’s campaign is over, the accusation has raised questions about whether he could face legal issues.Just a moment.We are getting your experience ready.