The nurse allegedly responsible for the Los Angeles crash on Aug. 4 that killed six, including a baby and a pregnant woman heading to a prenatal checkup, had struggled after her Olympian boyfriend passed away in a high-profile motorcycle accident in 2017, the Daily Mail reports. The 37-year-old ICU nurse, Nicole Linton, had a “profound history” with mental illness, according to her attorneys. Linton, who had allegedly been involved in 13 prior accidents, was known among friends for threatening suicide after bad breakups, according to an anonymous source who spoke with Daily Mail. But the nurse hit a low point after Germaine Mason, the Olympic silver medalist she planned to marry, died in a tragic motorcycle accident in Jamaica after a night out with friend and fellow Olympian Usain Bolt, who was one of the first on the scene after the crash. Linton is accused of causing the explosive pile-up after she blew her Mercedes-Benz through a red light last Thursday at 90mph. She faces six charges of murder.