JPLR writes "A campaign group says western firms are fuelling violence in DR Congo by failing to check where their minerals come from.
Coltan is mainly used in electronic devices.
The same was also advocated since years by missionaries without anybody listening.
For example countries like Congo and Uganda export Coltan without any Coltan mine on their territory.
We are talking of millions of persons assassinated and even more raped in Congo, Rwanda since 15 years.