Shooting victim identified; suspects freed

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TUCSON, Ariz. - Tucson police are apparently back to square one in its investigation into a double shooting Thursday near downtown.  One victim, now identified as Christian Guana-Castillo, 18, died at the hospital.  The other is an adult male still being treated.

Police say the shootings happened a little after 11 a.m. Thursday at Sixth Street and Ferro.  That's the alley just west of Sixth Avenue.

Police swooped into the area to search for up to four people who may have done the shootings.  Initial reports three were black males, one was a white female.  By early afternoon, Tucson Police Sergeant Maria Hawke told Fox 11's Samantha Ptashkin that the three men had bee located and taken into custody.  But by Friday morning police said the three had been released and "were not involved in the incident".

A witness to the shootings told Fox 11 News reporter Val Canez that she heard five or six "quick pops" and saw the victims fall in the alley.

In a news release Friday morning, Sgt. Hawke said police are continuing their investigation looking for both the motive and potential suspects.  She said numerous interviews have been conducted and they have collected and processed evidence from the scene.

On Thursday, Sgt. Hawke told reporters their investigation revealed the shooting was "gang-related" and the victims had been targeted.  On Friday, she indicated they still feel both statements are accurate.

She emphasized that the shooting was not random and there's no danger to people in the downtown arts area.