NEW YORK (CBSNewYork) – Brooklyn District Attorney Charles Hynes is investigating the death of a 2-week-old boy at Maimonides Medical Center last September.

WCBS 880’s Marla Diamond On The Story

READ MORE: NYC Hospitality Alliance: Mayor De Blasio 'Grinch' For Vaccine Mandate That May Keep Tourists With Young Children Away

The baby contracted herpes from a ritual circumcision where the mouth is used to remove blood.

READ MORE: Amazon Web Services Reports Major Outage; Netflix, Venmo, Instacart Among Many Affected Sites

The Daily News reports the boy’s family is not cooperating with authorities. It’s believed the rabbi that performed the Bris is a relative, according to reports, but Hynes isn’t revealing much.

“The investigation continues. We’re not nearly ready to make any assessment yet,” he said Wednesday.

MORE NEWS: Strong Winds Topple Jersey City Home Under Construction; 'Devastated' Neighbors Left Homeless: 'It's A Disaster Right Now'

This type of circumcision is controversal. While the city health department can’t stop it, they recommend strongly against it.