Gray received the gun he used to kill four people at his Georgia high school as a Christmas gift from his father, months after the FBI had questioned them about alleged threats.
According to the manufacturer's website, a standard AR-15, which is magazine-fed, gas-operated, and semi-automatic, can fire up to 45 rounds per minute.
The bodies of the Morvillos, the Bloomers, and British tech billionaire and yacht owner Mike Lynch were found in the same cabin on the left side of the $40 million yacht.
Gray's father told investigators at the time that there were hunting guns in the house, but his son did not have unsupervised access to them, according to the statement.
Governor Hochul said that she has been supporting the Department of Justice with their investigation for several months and will continue to collaborate with them.
Harrell had been using crutches due to a fractured hip, an injury he revealed was caused by his cancer spreading to his bones, leading them to 'crumble.'