You can use the bop.gov inmate locator. If you know they are in RRM Montgomery, it means that they are in the halfway house. But, there are several locations in the Montgomery region and you will not find the actual halfway house listed on the BOP website. His release date is November 23, 2015.
https://www.inmateaid.com/ask-the-inmate/rrm-montgomery-facility-is-where-the-guy-im-looking-for-is-at-just-got-there.amp#answer
Accepted Answer Date Created: October 29,2015