The objects were analyzed by the New Mexico Institute of Mining and Technology, which determined that they were "composed of commonly found elements", such as iron or aluminum.

Leir claimed the objects he removed from patients emitted “deep space frequency radio waves", had strange magnetic properties, or contained odd crystalline structures.

[2] According to skeptical investigator Joe Nickell, the "implants" Leir claimed to have discovered were most likely ordinary objects such as shards of glass or fragments of metal that become lodged in arms, hands, legs and feet due to accidental falls or barefoot walking.

When asked to provide a forensic medical institute with specimens or photos for analysis, Leir's associate, Derrel Sims, refused.

In 2001, a journalist visiting his office in Ventura, California reported that it contained UFO magazines and a shelf full of “bug-eyed alien dolls”.