He had permits from Panama's wildlife department, yes, but there are endemic levels of corruption that exist within that entity and that in itself doesn't really mean anything.
Yes, I've repeated it several times because it is very illustrative of a mindset and attitude that sadly continues to linger in some North American and European zoo directors, the myopic obsessiveness and immaturity of a 12 year old stamp collector, the pathology of a narcissist and the arrogance of a neocolonialist.
He went ahead with his "plan" against the better judgement and warnings of several scientists, conservation organizations (including ZSL), the IUCN and AZA and it ended in justifiably angering the local community and causing the death of two of these animals.