Why did my older brother steal my dirty underwear?

Annie_lamb
My expensive panties were missing for a few days but i thought that my mom might've put them through the wash again but when i looked into by brothers room i saw them in an open drawer. i told my parents i found them in the hamper but then when i felt less terrified i came clean about where i found them. This isn't the first time he's done something creepy like this. the way our house is set up is that the bathroom window overlooks the outdoor shower. i caught my brother watching me shower several times and my brother got sent by court to a sex therapist. My dad won't believe me and said it was my fault for allowing myself to be seen naked and said its my fault for leaving my panties where he could get them...

How do i tell my brother to stop stealing my panties? How do i stop this? i feel depressed and borderline suicidal. i need help...
Updates
+1 y
i just talked with my mom and since that chest of drawers used to be mine, she said that i left them in there and that they were stuck together because i didn't wash them. she said that since I've been trying to get him kicked from the house (all because he's sexually harassing me) that i planted them there and now i need to pack my bags and move if i dont feel safe. she knows i dont have any money (she drained my bank account for my savings) and i dont have anywhere to go. I'm 19 and I'm trapped.
Why did my older brother steal my dirty underwear?
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