Complex sentence: But, before Locque can kill Bond, he is captured by Columbo's men, who then tells him that Locque was actually hired by Kristatos, who is working for the KGB to retrieve the ATAC.
Split into simpler sentences: But, before Locque can kill Bond, Bond is captured by Columbo's men. Columbo then tells him that Locque was actually hired by Kristatos, who is working for the KGB to retrieve the ATAC.