Series 10 Episode 16

S10, E16: A psychotic patient vows to punish the medical staff and steals an army tank, grinding his way across Chicago towards the hospital. Meanwhile, Kovac is startled at the lack of concern among some 13-year-olds who are diagnosed with a sexually transmitted disease, while Sam is jealous of Kovac's visiting French friend, Gillian, and ponders the odd relationship between a concerned teenaged girl and her sick father.