Need help with scammer

Ok so this is way out in left field, I am not a hacker or anyone that has any talented skills in what you guys do. I have been scammed with a job scam. The person who is scamming me does not know I know. I am trying to find out who this person at leas hold them accountable or idk. I felt bad when I thought I got a good job, could finally get a place and get my life back together then I noticed it was a lie. The person sent me a fake check, i have not opened the envelope yet. I have emails, domain names, phone numbers...wish account info etc. I'm here cause I need expert's