Big Data Detectives

Emily Badger reports on the success Memphis police have had using reams of police paperwork for real-time data-mining:

Each piece of information is connected to myriad others: convicted criminals are linked to the names of every accomplice and victim known in the system, every car and street address they’ve ever been associated with, every alias they’ve gone by and arrest warrant they’ve been served. IBM has even been working on software that can reconcile typos and misspelled identities, correctly pegging Chriss Knisley, Chris Knisley and Chris Knisely as the same man.