A glance at noteworthy investigative reporting during the past week from the Web site of Investigative Reporters and Editors (http://www.ire.org).

Use of Force by Police Unchecked in Milwaukee: Reporter John Diedrich of the Milwaukee Journal Sentinel revealed that the Milwaukee Police Department does not track use of force well. Diedrich documented the record of an officer who was with the department for just three years but racked up a record of using force and attracted complaints far in excess of fellow officers. In three of the cases, the officer hit people with a flashlight. The department says it knew about this officer but did nothing. The story also showed Milwaukee's use-of-force rate was far higher than a national average.

Marines Blame Casualties on Lack of Equipment: A report by Richard Lardner of the Tampa Tribune indicates that "civilian casualties in Iraq's volatile Anbar province would have been greatly reduced over the past 20 months if an inexpensive, hand-held laser system had been sent to the Marines operating there, according to a series of e-mail messages between troops in the field and acquisition officials" at Quantico. Two requests by Marines in Iraq have gone unfilled since 2005; officials cite inadequate testing and safety reviews of the system, which shines a laser on vehicles that do not respond to commands as they approach checkpoints.

Florida Requires No Training for Executioners:Kevin Begos of the Tampa Tribune reports that executioners in Florida "aren't required to have training, certification or any qualifications other than being at least 18 years old, according to Florida's interpretation of lethal injection guidelines." The Tampa Tribune received a copy of the state's execution guidelines through a public-records request. The protocol is under review, and executions have been suspended since December, after it took over 30 minutes for prisoner Angel Nieves Diaz to die "because the lethal chemicals missed his veins."