Rodbina vojnog tužioca Nikolaya Koleva, ubijenog iz vatrenog oružja krajem 2002. u blizini svog doma u Sofiji, više puta je optužila Filcheva da on stoji iza tog atentata.
The relatives of Military Prosecutor Nikolay Kolev, gunned down near his Sofia home in late 2002, have repeatedly accused Filchev of being the mastermind of the assassination.