
Adam Isacson from the Washington Office on Latin America, and who focuses on Colombia, shares the following.
The issue seems to be the treatment of the migrants being repatriated, which also was an issue of concern from Brazilian officials as noted in my previous post. It would seem that the issue is the use of military flights, and things like handcuffing the persons being sent back.
No doubt some of this is anti-Trump posturing by Petro.
This thread is worth a read as well (tl;dr, the winner in a US-Colombian fight is China):








