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Tampa, Florida -- Tampa Police were called to the Grande Oaks Apartment complex at E 26th and Hanna Street after receiving reports of shots fired Wednesday evening.

When police arrived, they found38-year-old Michael Valentin,a private duty security officer, dead on the sidewalk in front of the clubhouse.

Police immediately blocked off the area, began the search for the suspect, and commenced the forensics investigation.

Investigators detained several people for questioning but no one has been arrested.

Valentin's employer, Critical Intervention Services, says he previously worked with the New York City Homeless Services Police for nearly 10 years, before moving from Brooklyn to Florida.

In a press release, CIS says Valentin was specifically chosen for his assignment "owing to his community-oriented mindset and experience while working with the homeless in New York. His peers and supervisors described him as being friendly, community-focused, and dedicated father and husband."

Valentin leaves behind a wife and two sons, ages 4 and 9.