Nurse Amy Loughren risked her career to review pharmacy records.
Several patients experienced unexplained insulin spikes.
She used their friendship to appeal to his emotions.
💡 The case remains a chilling reminder that the greatest threat to safety in a system can sometimes be the person trusted to provide care.
Loughren wore a recording device during a dinner meeting with Cullen.
The case of Charles Cullen, often called "The Angel of Death," represents one of the most prolific serial killer investigations in American history. His capture was not the result of a single breakthrough, but rather a tense, high-stakes collaboration between whistleblowers and investigators. The Pattern of Negligence
He targeted vulnerable patients, often late at night.
Information sharing between states became more robust.