Think of it from your girlfriend's perspective: your significant other has been in declining mental health and starts making death threats... How would you feel about the cops if you reported this and they did nothing?
We go round and round about "warning signs" from people who commit acts of violence and complain that these signs are too often ignored. The cops should not keep you from your meds or maltreat anyone, but you made threats to kill someone and yourself. IMO, the cops were doing their job. No matter your mental state, you can't threaten a person's life. How are the cops supposed to know your threats weren't serious without investigating? Own your actions, and talk with your mental health professionals.
We go round and round about "warning signs" from people who commit acts of violence and complain that these signs are too often ignored. The cops should not keep you from your meds or maltreat anyone, but you made threats to kill someone and yourself. IMO, the cops were doing their job. No matter your mental state, you can't threaten a person's life. How are the cops supposed to know your threats weren't serious without investigating? Own your actions, and talk with your mental health professionals.