How do I sue a violent neighbor who caused me to be hospitalized in addition to property damage estimated at over $1,500.00.

A delusional/violent neighbor developed a fatal attraction for me, even though I NEVER nor would ever consider him romantically. He stalked and harassed me repeatedly for months. I had to call police many times. On 12/31 when I opened my front door to take trash, he was standing on my patio as he did many times. He said: "Get ready, I'm going to slash your fuc..... throat. " He repeated this statement twice in a row, while sliding his finger in front of his throat from one side to the other. Again, I called police. As always, officer came, talked to him, and left. A couple hours after officer left that night, a neighbor saw him standing right in front of my parked car. The next morning, another neighbor knocked on my door to show me my car. It had been deeply keyed (slashed, as he had said he would do to my throat) from the front driver's door all the way back to the gas tank door. I had a stress induced seizure and was in hospital for 18 days with tubes in my lungs.