The victims include Shia, Sunni and members of political parties.
Special Assistant of the Sindh Home Ministry, Sharfuddin Memon told BBC that in some of the cases not only the weapons used were common but also the strategy used for the same.
According to police statistics, last year 2,300 persons were killed in Karachi whereas in 2011 the number was 1,800.
Memon said that the forensic department in Karachi is established on modern lines and using its state-of-the-art technology it has investigated about 1,100 cases of murder in the city.
Published in The Express Tribune, February 21st, 2013.
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