Since this is a forum about immigration and not just Mexican immigration to the US... I thought I would post something on topic but not that same old (yawn) same old. But I know since this post is non-Mexican illegal immigration related this it will die quickly.
In many ways UK is a microcosm of the US. Though we are not struggling to fill clown positions
it demonstrates the perils of not having a robust system and trained competent government staff. Frustrations of a problematic system, unsecured borders (air but more so land and water) are just two of the root causes of those more inclined to "jump the line" or for companies to skip the formal process. We create our own misery and yet blame those who have learned to work our systems to their advantage.
Britain's Clown Shortage: Visa Rules Hit the Circus - TIME
...In November, the British Home Office introduced a points-based system to crack down on illegal immigration and create what its website describes as "a significantly more straightforward and transparent structure." It's easy enough for foreign trapeze artists and acrobats to secure the requisite points for entry into Britain based on their unique skills. But ringmasters say various problems with the new system — including faulty computer software and poorly trained embassy staff — are preventing international talent from reaching Britain's big tops. ...