DOWNEY (CBSLA) — Police arrested a 23-year-old Downey man Friday on suspicion of murder after a 6-year-old boy died Thursday night at a Long Beach hospital.

Tyler D’Shaun Martin-Brand, an acquaintance of the child’s mother, was taken into custody and charged with murder in connection with the death of Dayvon Taylor of Long Beach.

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“My son’s mother let her guard down so that this man had too much time with my child, and didn’t really know nothing about him,” Dayon’s father said Friday. “I wish I could have did more for my son, but unfortunately I was in the blind.”

According to police, Dayvon was taken to St. Mary Medical Center in Long Beach Thursday around 6 p.m. and died shortly after he arrived. The coroner’s office determined the death was a homicide.

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“This case is a serious and complex investigation and investigators are still in the process of gathering information, interviewing witnesses and processing evidence,” Sgt. Michael Parino said in a news release “As a result, no other details will be released at this time.”

A candlelight vigil for Dayvon is scheduled for 5 p.m. Saturday at a home in the 1300 block of West 60th Place in South Los Angeles.

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Bail was set at $1 million for Martin-Brand.