EXCL: Steve Whitehouse, 49, was on a trade waste round with driver Kevin Marriott when they spotted the blaze on Tuesday morning on Ridgeway Road in Tipton, West Midlands.
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.