Las Vegas police have arrested former actor Nathan Chasing Horse at his home after uncovering what they describe as two decades of sexual assault and human trafficking allegations. Chasing Horse is known for his role in the Oscar-winning Kevin Costner film “Dances With Wolves.” Police say he built a reputation for himself among tribes across the United States and Canada as a so-called medicine man and used his position to abuse young Native American girls. Chasing Horse is accused of sexually assaulting girls as young as 13 and taking wives as young as 15. Police say the assaults occurred in multiple states, including Nevada, and in Canada. No lawyer was immediately listed for him Tuesday in court records.

Organizers have announced a lineup of more than 270 acts for New Orleans’ 40th annual French Quarter Festival, billed as Louisiana’s largest free showcase of music, food and culture. Artists scheduled to perform at the April 13-16 event include Irma Thomas, Ani DiFranco, Tank and the Bangas, blues guitarist Samantha Fish and a collaboration between the Soul Rebels and bounce rap artist Big Freedia. Organizers say the annual event welcomes over 825,000 people and is a critical economic driver for the city. To celebrate the milestone year, a special opening-day parade featuring brass bands is planned and later a fireworks display over the Mississippi River.