tashfeen malik, and her american born and raised husband syed rizwan farouk. >> as the investigation has progressed we have learned and believe that both subjects were radicalized and have been for quite some time. >> reporter: what we don't know yet is how or exactly when. the fbi says the couple secretly planning jihad in their garage, finding 19 pipes that could have easily been converted to bombs used in a larger attack. and just days before the massacre, the couple testing their guns with target practice at a gun range in the area. seeking answers about 29-year-old tashfeen malik, pakistani intelligence officials raided her childhood home in the southern city. she spent her early years in pakistan, raised in saudi arabia. returned to pakistan for college. an area rif with poverty and religious extremism. we spoke with journalist who grew up near malik and has been