How do I get an inmate id

https://www.inmateaid.com/inmate-profile-search

Enter their name and see if we have it in our database of 1.7 million active inmates. If you cannot find them there, email us at aid@inmateaid.com with their name, state, dob if known and what jurisdiction charged and sentenced them (Federal - FBI, DEA, ATF, HS or State where prosecuted).