By Madeline Coleman USA Swimming was reportedly informed of allegations in 2015, four years before Teri McKeever was appointed to the 2019 World Championships coaching staff. Content warning: This story contains graphic language of abusive nature. Days after Teri McKeever, the swim and diving coach at University of California-Berkeley, was reportedly accused of running a “toxic” culture, the U.S. Center for SafeSport is now opening an investigation into the former Olympic coach, according to The Orange County Register and USA Today. The Register reported Tuesday how more than a dozen swimmers …