Why we categorize terrorism by race, religion, origin?

Listen to this extract of Episode 15 Ask Phil of the podcast An Intelligent Look at Terrorism.

“Hi Phil, my question to you is why do we feel the need to categorize terrorists by race, religion, etc… Why don’t we deal with these people the same way we deal with other criminals? Name them, shame them, charge them, etc… The categorization aspect seems highly politicized”