Last night, the activist group United Against Police Terror San Diego received a hate email with the subject line: “Fuck You, You Stupid Pieces of Shit.”

You can imagine how the email went from there.

It’s not surprising a group critical of the police got the note. The apparent source of the email is. The note came from an IP address that, according to an address locater, is attached to the San Diego County Sheriff’s Department. The group tweeted a picture of the note and the IP address to me.

I asked the Sheriff’s Department and spokeswoman Melissa Aquino told me they have launched an investigation: