HOLBROOK - Police say a Holbrook man fatally stabbed his mother's boyfriend in her home on Halloween.

The incident occurred at 700 Portion Road at around 6 p.m. Saturday.

Police arrested Rakien Hall Sunday morning on a charge of first-degree manslaughter. 

Hall allegedly stabbed his mother’s boyfriend Oscar Green, 47, in the neck.

He pleaded not guilty Monday before a judge set bail at $1.5 million.