BUFFALO, N.Y. (WIVB) -- An April 2024 incident involving seven damaged vehicles and the Erie County Sheriff Department’s chief of the Narcotics and Intelligence Unit is expected to be reviewed by a Niagara County official due to a potential conflict of interest in Erie County. Chief Daniel “D J” Granville is accused of hitting six vehicles and damaging seven, causing nearly $60,000 in damage. The crashes occurred on two streets on Buffalo's West Side, Jersey Street and Prospect Avenue, just before midnight on April 11, according to documentation obtained by News 4. It is alleged that Granville was on duty at the time. Erie Co. legislators call for answers on allegations against ECSO’s chief of narcotics Erie County District Attorney Michael Keane said in a statement that a close family relative of Granville works at the DA's office and therefore, his office cannot oversee the case. As a result, Erie County Court Judge Sheila DiTullio appointed Niagara County District Attorney Brian Seaman as the special prosecutor for the case, Keane announced. An internal affairs investigation by the Erie County Sheriff's Office is currently taking place. Sheriff John Garcia has said he considers the incident to be a "car accident" in the meantime. "We understand from District Attorney Michael Keane’s statement that the Buffalo PoliceDepartment Internal Affairs Division sought consultation regarding the response of theBuffalo police officers who conducted the on-scene investigation after one of our employeesdamaged seven vehicles on April 11th, 2024," the Erie County Sheriff's Office said in a statement. "District Attorney Keane petitioned the court to have the matter transferred. We will fully cooperate with Niagara County District Attorney Brian Seaman if called upon. We continue to await the results of the Buffalo Police Department Internal Affairs Division investigation so that we can conclude our internal investigation.” Latest Local News Parents grow frustrated waiting for trial of daycare employee accused of harming kids Niagara County DA to oversee investigation into ECSO Chief Granville following conflict of interest Arcade man charged with rape, endangering welfare of child Maple Weekend: Weather’s impact on sap production Cheektowaga man charged with attempted murder following shots fired call in Amherst Kayleigh Hunter-Gasperini joined the News 4 team in 2024 as a Digital Video Producer. She is a graduate of Chatham University. ...read more read less