Umayr and Uzair Kaleem used their tech backgrounds to investigate their missing brother's final contacts, which led to the arrest and conviction of killers Eric Aguilar and Jose Valera.
Tech-savvy brothers of murdered college student snoop out data that helps nab suspects wgmd.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wgmd.com Daily Mail and Mail on Sunday newspapers.