Citizen crime-tracking app, funded by Peter Thiel, scraps plans for on-demand police force

The crowdsourcing crime-tracking app Citizen, whose earliest backers include the venture capitalist billionaire and Palantir co-founder Peter Thiel, is ditching plans to develop a private police force that could be summoned by users via the smartphone app, CBS MoneyWatch has learned. The company began offering the service in Los Angeles...