KANSAS CITY, Mo. — All criminal charges have been dropped against three duck boat employees who took a boat on the lake ahead of a storm in Branson in 2018 that produced up to 73 miles per hour winds, sinking the sightseeing vessel and resulting in the deaths of 17 people. Judge Alan Mark Blankenship in a decision filed Tuesday afternoon determined there was not sufficient evidence to uphold the charges. The case has been dismissed without prejudice. On July 19, 2018, 31 people, including children, and Robert “Bob” Williams, the duck boat driver, boarded Stretch Duck No. 7 on Table Rock Lake u…