None
2 of 2 found this to have none
Mild
2 of 2 found this mild
No actual violence if one discards the intentional poisoning of an unknown number of patients.
Moderate
2 of 2 found this moderate
One very dominant and gratuitous F-bomb, seemingly thrown in just for rating.
Mild
1 of 2 found this mild
Mild
2 of 2 found this mild
This is a detailed and (apparently) accurate documentary with the original people involved portraying themselves. The subject of a serial killer nurse may be upsetting to some people, but nothing is presented in a dramatic or emotionally-disturbing manner (considering the subject matter).