ALBANY, N.Y. (AP) — The New York state attorney general says local authorities did a shoddy investigation of a police officer's fatal shooting of an unarmed driver but there's not enough evidence to charge any officers.

Attorney General Eric Schneiderman on Tuesday released results of a year-long investigation of the killing of 37-year-old Edson Thevenin by Troy Police Sgt. Randy French in April 2016. The report says evidence contradicts French's claim that he was pinned by Thevenin's car when he started shooting.

Schneiderman recommended that Troy Police overhaul its investigative approach to officer-involved shootings, update policies regarding shooting at vehicles and use body- and dashboard cameras.

Troy Mayor Patrick Madden said city officials disagree with Schneiderman's findings and are confident the police department's procedures adhere to law enforcement best practices.

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Information from: Times Union, http://www.timesunion.com