Brother of man killed by SWAT focus of drug probe

TUCSON, Ariz. – Records show the older brother of a former Marine shot and killed by Tucson law enforcement officers was the primary focus of a long-term drug-trafficking investigation.

The Arizona Daily Star reports a traffic stop led detectives to begin investigating Alejandro Guerena. The documents show he had several close associates who were involved with trafficking and remained the main focus of surveillance operations that took place many times a week for about six months.

Guerena's brother, Jose Guerena, was killed by a Special Weapons and Tactics team on May 5 while serving a search warrant at his house. His wife and son were home but escaped injury.

The Pima County Sheriff's Department released the affidavit, probable-cause statements and search-warrant returns after a judge filed a ruling Thursday unsealing the documents.

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Information from: Arizona Daily Star, http://www.azstarnet.com