After I read that emotive response I couldn't help but wondering if this wasn't part of a scheme to help someone cover up a crime. This is how I would have responded:
"Hi,
These do appear to be quite serious crimes. I've sent all the URLs, your email address, emails and responses to the relevant law agencies.
"Hi,
These do appear to be quite serious crimes. I've sent all the URLs, your email address, emails and responses to the relevant law agencies.
Regards, AdGuard"