if you are lea's therapist and she makes threats about wanting to hurt others, you only have a duty to warn potential victims if lea's threats are

If Lea's threats are specific threats against specific people. Psychologists have a very specific confidentiality code, they must keep in "professional secrecy" everything said by their patients during the therapeutic process. However, this code can be broken if the patient's life is in danger, or if the patient can put someone else's life at risk. In these cases, professionals have a security code to follow to safeguard people's lives.

I hope my answer can help you.