DETROIT — Victims of former Michigan State University sports doctor Larry Nassar filed administrative claims against the FBI for the bureau’s “grossly negligent failure to investigate sexual abuse allegations” against the now-incarcerated former physician, lawyers announced Thursday. The 13 women are seeking $10 million each, according to Jamie White, an Okemos attorney representing the group. All were victimized by Nassar after July 2015, when the FBI Indianapolis office was first alerted to reports of three alleged sexual assaults by Nassar, he said. Another 17 months passed before Nassar wa…