An article on DNAInfo illustrates Chicago's efforts to expand its surveillance camera program in light of the Boston bombings. Citing a recent ACLU of Illinois report on the city's video surveillance cameras, there are approximately 22,000 surveillance cameras accessed by city officials. Mayor Rahm Emanuel has endorsed the use of surveillance cameras to reduce crime. The ACLU of Illinois has called for increased transparency around how they are used. DNAInfo talked to ACLU of Illinois senior staff counsel and author of the camera report, Adam Schwartz: