Cops released a picture of a man wanted for questioning in the fatal beating of his older sister in her Brooklyn apartment.

Neighbors called 911 after hearing Heather Wright, 43, screaming insider her apartment on Westminster Road in Flatbush around 2:10 p.m. Saturday, cops said.

Wright suffered severe head trauma and was pronounced dead at the scene, authorities said.

Cops want to talk to Omar Cohall, 34, pictured here, about the incident.

The motive for the killing was not immediately clear.