“It’s caused a lot of entities to rethink this,” said Tom Cowan, chairman of the Texas chiefs association’s ethics committee. “It’s extremely important for us to have public confidence and respect, and to be transparent when dealing with public funds.” Salt Lake City Mayor Ralph Becker directed staff to review whether the rules on relationships with city vendors should be updated after facing questions about Chief Chris Burbank’s speeches at Taser-sponsored events and online promotional video. “He recognizes that in retrospect some of that participation maybe wasn’t the best decision to make,” Becker spokesman Art Raymond said of Burbank. Fort Worth City Manager David Cooke said the city is reviewing whether its code should be strengthened to address perception problems, including vendor-funded travel and product endorsements. He noted that many professional groups have stricter rules.