Michael Swango was a seemingly promising doctor, but behind the white coat, he was a killer. During the 1980s and 1990s, while working at hospitals across multiple states, he poisoned patients and colleagues, sometimes causing them to fall gravely ill or die. He moved between hospitals and clinics, using new identities to avoid suspicion. Despite multiple deaths following him, Swango managed to continue practicing medicine for years. Eventually, his pattern of poisoning caught the attention of i

Investigators searched Dr. Joseph Michael Swango's home... and what they found was a house of horrors. The season finale of #LicenseToKill with Dr.Terry Dubrow starts this Sunday at 7/6c on Oxygen. | Oxygen