My Wife Was Pulled Over And Arrested For “resisting Arrest” Do We Have A Case?

I moved my wife and her grandma from Pennsylvania to be with my family in Louisiana My wife was pulled over while I was at work training. They told her to get out of the vehicle and come to the back of the vehicle. She said she felt unsafe and did not was to come out. This is the first time she’s ever been pulled over and did not know different procedures. I was on FaceTime with her they said she didn’t have a seatbelt on and she did she has dashcam footage. Shes Puerto Rican and Mexican and they asked her about immigration she’s legal and was born in the US her whole family is from here. She has Spanish flags on her car and a Pennsylvania license plate. They got 7 officers and arrested her for resisting arrest. She’s currently in custody.