Via a Gawker article from 14 March 2016: When he opened the app, Dalton told police, a symbol would appear that “would literally take over your whole body,” Det. William Moorian of the Kalamazoo Department of Public Safety wrote in his report, obtained by the Kalamazoo Gazette and MLive.com through the Michigan Freedom of Information Act. The app “literally took over his mind and body,” Moorian wrote.
Source: Uber Mind Control? – Medium