If you've reported it to the police they should have given you a crime number, you could try ringing customer support, but I can't promise they'll be able to do anything. Still, it's worth a try.
Contact page - https://www.playstation.com/en-gb/get-help/contact-us/
Twitter - https://twitter.com/AskPS_UK (Mon-Sun 9:00am-11:00pm)
Live chat - https://www.playstation.com/en-gb/get-help/help-library/apps---features/playstation-uk-live-chat-support/ (UK and Ireland only)
Telephone - 0203 538 2665
10:30 to 19:00 Monday to Saturday
Australia - https://www.playstation.com/en-au/get-help/contact-us/
Telephone 1-300 365-911
08:00 to 20:00 Monday to Friday
10:00 to 18:00 Saturday
New Zealand https://www.playstation.com/en-nz/get-help/contact-us/
Telephone 09 801 1235
09:00 to 22:00 Monday to Friday
12:00 to 20:00 Saturday
If you need another region and can't find the details, you'll have to let us know.