The Suffolk County police found 10 bodies while searching for a 24-year-old aspiring actress who had disappeared in 2010. No arrest was made in connection with the killings until now.
Nancy Marks, Mr. Santos’s former campaign treasurer, has her own history of questionable dealings that have aroused interest from federal investigators.
Suffolk County officials on Wednesday released the results of their investigation into a devastating breach that was discovered in the fall, forcing the government offline.