Two horses found mutilated August 11, 2010, by their ranch owners in Rush, Colorado, were investigated by Mutual UFO Network (MUFON) Field Investigator Chuck Zukowski.
Two other ranch animals who apparently survived the attacks - a dog and another horse - were found with "unknown marks." A high "electro-magnetic field reading" was measured on the dog. The rancher's wife reports unusual sounds two days prior to the discovered mutilations.
The ranch, named Utopia, is owned by Mike and Glenda Schneider.
Rush is situated along Highway 94 in unincorporated El Paso County, two miles west of El Paso, and about one hour east of Colorado Springs.
Zukowski produced a video about the events and his investigation there - including an interview with the rancher's wife. Excellent coverage - which he says is an on-going investigation as there are still many unanswered questions.
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