Who was the arsonist on Chicago Fire?

Kevin Hadley Click to see full answer. Also know, who killed Shay on Chicago Fire?Adrian Gish was an arsonist and murderer who killed Paramedic Leslie Shay in Chicago Fire. He was killed by detective Antonio Dawson in Chicago P.D..Furthermore, who is the snitch in Chicago Fire? Spellman In respect to this, who is the new person on Chicago Fire? Annie Ilonzeh (Emily Foster) Annie Ilonzeh stars as Paramedic Emily Foster, the replacement for Monica Raymund’s Gabby Dawson. She played Maya Ward on General Hospital for two years before joining the cast of a short-lived Charlie’s Angels reboot.Who is Hadley in Chicago Fire?Kevin Hadley is a former firefighter that was assigned to Rescue Squad 3, and he was transferred out after a few incidents occurred between him and Peter Mills. Hadley took the forced transfer personally, and began to target Peter Mills and Kelly Severide, his former lieutenant.