#wanttoknow! - This week's viewer's question comes from Mogire Machuki in Kisii, Kenya
In a bid to combat electronic fraud, Thailand is making biometric checks mandatory for all those obtaining new SIM cards. Authorities say the data will be kept "private and safe."
The EU will soon establish a database of fingerprints and other biometric data for visitors from the US and other countries outside the bloc. The move aims to improve security, but some see an attack on human rights.
Germany's Office for Migration and Refugees says a series of tech upgrades will help it avoid the near comical mistakes of the past. At the same time, it admits that hardware can't replace human evaluation.
Fingerprints have been used as a form of identification for millennia. But 125 years ago an Argentine statistician started an experiment that led to the first murder being solved with these unique markers.
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