Katmrs45 on GETTR : https://www.dailymail.co.uk/news/article-10391567/German-police-use-Covid-tracking-data-track-witnesses-investigation.html
Police seeking witnesses to the fatal fall of a man leaving a restaurant in Mainz made use of data from an app known as Luca, which was designed for users to register time spent in restaurants.
Police seeking witnesses to the fatal fall of a man leaving a restaurant in Mainz made use of data from an app known as Luca, which was designed for users  to register time spent in restaurants.