The family of Shem Walker, elected officials and civil rights leaders met with Brooklyn District Attorney Charles Hynes Thursday to discuss last weekend’s police-involved shooting that killed Walker.

Family supporters told Hynes that while Walker's family was mourning late Wednesday night, several of them were harassed by police officers – both undercover and uniformed.

"They called for backup, backup ensued," City Councilwoman Letitia James claimed at today's news conference. "There were altercations and there was a loud exchange. It was very heated. They then proceeded to take out their night sticks as if they were going to engage in assaults."

The New York City Police Department released a statement saying, "Pushing and shoving erupted at a vigil area when a police officer who thought he recognized a robbery subject in the crowd attempted to question him."

Walker's family members claimed that there were injuries, but they would not elaborate. No one was hospitalized.

"We will not tolerate the revictimization of this family by rogue thug police officers," said Kirsten John Foy of the National Action Network.

Walker was shot last Saturday by an undercover narcotics officer after he told the officer to get off the stoop of his family's house on Lafayette Street.

The police department maintains the shooting occurred after Walker attacked the officer and went for the officer's gun.

The NYPD says it has witnesses who heard the officer identify himself; the family charges that is not the case.

Attorney Sanford Rubenstein, who is representing the Walker family, said the Brooklyn district attorney has set up a hotline for witnesses to come forward with details of Saturday's incident.

"They can speak directly to representatives of the district attorney's office," Rubenstein said. "If they don't feel comfortable talking to the NYPD, they don't have to."

The hotline number is 1-718-250-2759.

Walker's funeral is scheduled for Monday.