Sources El Nacional, El Tiempo
1988
Sweden sells a series of AT4s to Venezuela
1999
Hugo Chávez becomes for the first time president in Venezuela (elected in 1998, came to office on 4.2.1999)
2004
2 Swedish rocket launchers were found in FARC camp in the Yari Jungle (Caqueta Department, C1 in map). Their serial numbers are similar to the ones found in 2008.
2008
May: Message from FARC leader Camilo Tabaco is intercepted. Details about contacts with Venezuelan contacts that would provide weapons appear.
September: Colombian forces discover, among other things, Swedish rocket launchers in a FARC camp in the Meta area (C2 in the map)
10 October: Colombian forces discover over 58000 rounds for Kalashnikovs in the Meta area
2009
4 June: Colombian minister of Foreign Affairs gives to Venezuelan minister Maduro documents in which 2 FARC leaders mention their negotiations with three high Venezuelan officials on similar rocket launchers
24 June: Colombian magazine Semana reports on the rocket launchers.
26 June: the Colombian government asks neighbouring countries not to provide weapons to FARC and some further details come out on the weapons
28 June: Chávez freezes ties with Colombia.
End of July: the government of Hugo Chávez still has no answer for what is going on but saying it is all a media show and Colombia (and I reckon Sweden) is lying.
A silly question of mine: can we track back the Kalashnikov ammunition?