Key sentences in the article:
Among factors that could make someone subject of an investigation is travel to regions of the world known for terrorist activity, access to weapons or military training, along with the person's race or ethnicity. Law enforcement officials say the policy would help them find terrorists before they strike.
The new policy, law enforcement officials say, would let agents open terrorism investigations after mining public records and intelligence to build a profile of traits that, taken together, are deemed suspicious.
Race and or ethnicity alone is not enough to raise suspicions.