Due to a lead developed years earlier by journalist Adam Goldman , the FBI reopened the case in January 2017 . The new investigation involves information recently given to an agent by Venezuelan terrorist Carlos the Jackal that sometime after 1970 three American veterans sympathetic to the Palestinian cause , one of them a " prominent former Black Panther , " approached Mahmoud Ould Saleh , a Mauritania-born manager of the Arabic Bookshop on the Rue Saint Victor in the Latin Quarter of Paris and member of the extremist Palestinian " rejection front " ( killed in 1977 . ) Saleh put them in touch with suspected Black September militant Kamal Kheir Beik ( later killed ) , known to have managed terror attacks including 1975 OPEC siege . Every sale of the gun identified as the murder weapon , a .38-caliber revolver , that was sold east of the Mississippi has previously been identified by the FBI , which is now tracing the purchasers of those guns
OPEC siege
OPEC siege
Yosef Alon