If he has reported, he most certainly has a number. They issue a BOP Inmate ID card - that number must be on there. What is his name, we will find it for you.
https://www.inmateaid.com/ask-the-inmate/my-husband-voluntarily-surrendered-himself-on-aug-15-2016-to-devens-satellite-camp-in-ma#answer
Accepted Answer Date Created: August 18,2016