Just enlist a few country boys with crossbows. Silent death. No hand wringing from the metrosexuals.
Few hunters with silencers and Thermal scopes.
I’m sure more than a few experienced Texans would be glad to deal with this problem fairly swiftly.
Wild boar have very heavy hides
Cross bow May not be enough. 30.06 is about right. Clean shot doesn’t produce any noise but a thud