The chart makes it appear to be in decline, but in realty it is depicting high numbers with some fluctuation compared to pre-Biden administration.

As for the root cause, she already knew and voiced the answer prior to taking that fun and exciting trip … “financial instability, political turmoil and violence, among other things”.

The whole point of that visit was to advance a strategy addressing illegal immigration from their region to ours.
All she did was promise lots of money, covid shots, did a little dance, made a little noise and got down that night.

So it was a whopping failure.