Where did this information come from?
The source of such a report will say a lot.
Are there photos of the event? If his residence was being monitored
by videocams, are there images from it? If security guards were prowling
the yard, did any of them witness the event?
Did it actually happen should be the ultimate question.
When aliens are actually caught in the act making a crop circle, then
come and talk. Yeah, some of us are that skeptical.