MUFON's Abduction Monitoring Project

Here's a gem of an article I found on MUFON's investigation into abduction claims:

A few years ago MUFON tried to catch ETs abducting humans. They selected a group of documented alien abductees and they began putting specially designed sensing units in each abductees’ home. MUFON had the abductee fill out forms each day on their recollection of the night before i.e., whether they thought something happened or not. The idea was simple and smart. You collate the data from the “tamper proof” sensors with the days that the abductee felt something happened. If the sensor picked up anomalies you would have independent verification something strange happened that same night.

Read more at the source