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Former Muscatine teacher sells devices to stop classroom intruders

  • April 30, 2018
  • By KATE HAYDEN | STAFF WRITER
  • Fighting Chance Solutions, the Sleeve

Securing a classroom door during an active shooter classroom drill takes too long, former teacher Daniel Nietzel, of Muscatine, thought, reports Radio Iowa. During active shooter drills, it took nearly as long to secure the door as the drill itself – two minutes to secure with belts and cords, and three to five minutes before […]

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innovationIOWA is an extension of the Des Moines Business Record that fuels Iowa’s innovative spirit through coverage of Iowa’s entrepreneurial ecosystem in an annual publication, weekly enewsletter and ongoing coverage in the Business Record. Learn more

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