Officer McDonald was on patrol one night. He pulled over a teenager on a bike. The teenager got mouthy. To teach him a lesson Officer McDonald put him in handcuffs and told him he was under arrest. Officer McDonald “tazed” him several times and then let him go. Teenager told his parents who immediately retained an attorney, who filed a federal lawsuit against Officer McDonald. Explain how Officer McDonald can be sued in a federal court under 42 U. S.C. § 1983.