Americas In wake of Argentine prosecutor's death, a tangled web of questions

Alberto Nisman, who died in January in an apparent murder, was investigating a high-level political conspiracy involving Iran and a 1994 terror attack on a Jewish center. Critics have assailed the prosecutor's case and questioned his probity. 

Natacha Pisarenko/AP

A series of revelations have jolted supporters of the dead prosecutor who accused Argentine President Cristina Kirchner of conspiring to cover up the deadly 1994 bombing of a Jewish center here.