Marielle Franco case is an example of how technology can help solve crimes

Police officers used mobile phone and application data to locate the suspects.

The arrest of former Military Police officers Ronnie Lessa and Élcio Queiroz, accused of killing councilwoman Marielle Franco, proves what public security experts in Brazil have been saying for years: it is necessary to invest in technology and intelligence to improve crime solving rates.

In order to locate the suspects (see below), the murder investigation used a combination of different techniques which included extracting and analyzing information from mobile phones, security cameras, smart radars, mobile towers and applications, as well as a task force involving dozens of police officers.

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