Independence police have charged two teenagers who allegedly slowed the start of school by unplugging school buses. 18-year-old Mitchell Faust and 16-year-old Scott Brown, both of Independence, were each charged with trespass and tampering with vehicles. The two are accused of entering a locked area of the Independence schools January 14th and unplugging the engine block heaters of the school buses. The buses were unable to start in the sub-zero temperatures, and school was delayed for two hours. A second incident occurred last week, but officials discovered it and plugged the buses back in.