Three people have been arrested in connection with the murders of the parents, grandmother and uncle of an infant found alive in Tennessee, as a manhunt for the suspected killer continues, officials said.

The Tennessee Bureau of Investigation on Monday arrested Dearrah Sanders of Jackson, alleging that the 23-year-old "assisted" 28-year-old Austin Robert Drummond, who is wanted in the murders. Sanders was charged with accessory after the fact to first-degree murder, authorities said.

Sanders' arrest came two days after investigators announced charges against two men they allege were linked to Drummond and his alleged crimes. Tanaka Brown, 29, and Giovonte Thomas, 29, were charged with accessory after the fact to first-degree murder.

Authorities have left many questions unanswered, inc

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