Consulting the Oracle at Google
This didn't start out my reason for posting, but the research proved interesting.
Hits containing both "jose padilla" and "al Muhajir": 21,800
Hits containing "jose padilla": 825,000
ratio: 3%
Peforming the same search with the filter "site:.gov":
Hits containing both "jose padilla" and "al Muhajir": 40
Hits containing "jose padilla": 999
ratio: 4%
Jose Padilla (uniformly referred to in the media--for obvious reasons--by that name instead of the one he adopted, al Muhajir)
Those "obvious reasons" must be influencing the government's official pronouncements too. Sounds pretty sinister!