The Washington State Patrol trooper who was struck and killed on Interstate 5 on March 2 was a "truly dedicated" member and "an even better human being," said Chief John Batiste on Saturday afternoon. Just before 3 a.m., Trooper Christopher M. Gadd was hit by a driver on southbound I-5 near Marysville while working, according to WSP. He died at the scene. Authorities said the suspect was driving at a high rate of speed when he struck Gadd's patrol vehicle. The suspect, a 32-year-old Lynnwood man, was arrested for vehicular homicide investigation, the Snohomish County Sheriff's Office said. READ MORE: https://www.king5.com/article/news/local/wsp-identifies-trooper-struck-killed-i5/281-f70079c3-c0ad-4be2-a69e-b4ecad73bda1