A dramatic high-speed chase unfolded on a California freeway with police in pursuit of carjackers who took over a series on vehicles, including a semi-truck. | NBC News

CHP OFFICER TRAINING: KRON4 is getting an up-close look at the training California Highway Patrol officers go through and the new challenges they face in the field. Full news coverage on KRON4.com. | KRON 4 News

⚡️ Training for a career as a California Highway Patrol officer requires a great amount knowledge and confidence with the equipment we carry. Recently, cadets from CTC II-25 faced an intense component of their Academy training — exposure to the taser. This exposure helps cadets understands the powerful effects of the taser before carrying it in the field. From classroom instruction to field based scenarios, every moment at the Academy prepares our future officers to serve and protect California