Court: Police May Forcibly Unlock Mobile Phones Using Fingerprints

The decision of the Federal Court of Justice (BGH) to release biometrically secured smartphones forcibly sparks a new debate on digital security and fundamental rights. Under certain conditions, investigators may force suspects to unblock their smartphone by fingering. While advocates consider this a sensible measure in the fight against serious crimes, civil rights activists warn against a serious interference in self-impairment and the...

The mobile phone is now central to many criminal investigations. It can contain crucial digital evidence in the form of photographs, messages, location data and internet history. But while the mobile phone has become an invaluable source of information for the police, it has also become a highly personal possession in our lives – filled with private and sensitive information. For some crime victims, handing over their mobile phone becomes an ins…

The Federal Court of Justice (BGH) ruled on March 13, 2025 (case no.: 2 StR 232/24) that the police can use force to compel someone to unlock their smartphone using their fingerprint. The ruling has now been announced. The court states in its reasoning for the ruling: The attempt by the investigating authorities to gain access to the data stored on a suspect's mobile phone by forcibly placing their finger on the fingerprint sensor is covered by …