COMMACK - A Commack High School graduate was stabbed and beaten to death with a hammer, and his mother is accused in his murder.

Tracy Zetsche was arraigned yesterday in upstate Westerlo.

Zetsche is accused of murdering her disabled son, 22-year-old Gabriel Philby-Zetsche.

Gabriel and his mom moved upstate in October.Investigators say Gabriel was stabbed in the heart, beaten with a hammer and probably died Thursday.

Gabriel's body was found by his aunt Monday, according to the Albany Times Union.