Here's Part 1 of the horror talk of Charles Cullen (born February 22, 1960) is, an American serial killer who confessed to murdering up to 40 patients during his 16-year career as a nurse in New Jersey. 

https://www.youtube.com/watch?v=610AXC2GXN4

https://www.youtube.com/watch?v=YWBW2zpF5lM

https://www.youtube.com/watch?v=VqSEv2SIokk

https://www.youtube.com/watch?v=KRiPXMMu-JE

https://www.youtube.com/watch?v=xCIMmLg2iqE