The guy is a corrupt businessman, and could be on Interpol extradition order if Vietnamese government ever wanted one. However, the big issue is that he became a valuable asset for Germany who has been eager to invest crazily into Vietnam, but they didn't gain a significant foothold like Japan, SK, China and US. I knew the guy has been very close to German firms in the past for business investments into the country. He was suspected to be a double agent for Germany, and the whole case is so insane of a spy flick that he managed to land an asylum permission in Germany and was under protection of BND.

Again, Vietnamese intelligence proved its legendary might as it was in Vietnam War and so forth. Vietnamese government collaborated with Overseas Vietnamese thieves-in-lords (Vietnamese are responsible for 60% of criminal operation in Eastern Europe, especially drugs trade) to carry out the mission flawlessly. The Slovakian government secretly allows a plane to safely transport the guy back to Vietnam. Germany is angrily demanding the explaination over the whole thing, but you read recently that they found no evidence and currently had reopened the relation. I am just surprised that Vietnam made this issue so swift and quiet that China, Israel and Saudi Arabia might be jealous.