Next to a medical emergency flight that was nearly a disaster itself. In Dallas, a helicopter carrying a patient was struck by a laser injuring the medic's eye and forcing the chopper down. Here's... See More
Next to a medical emergency flight that was nearly a disaster itself. In Dallas, a helicopter carrying a patient was struck by a laser injuring the medic's eye and forcing the chopper down. Here's ABC's Susan saulny on the investigation tonight. Reporter: A sky high rescue ends with an merge of its own. Tonight federal authorities are looking for the person who flashed this helicopter with a laser pointer. A beam of green light like this burned 30-year-old medic Michael Pruett, one eye so badly burned he was rushed to the hospital. You wouldn't think of a little green laser as having the power to bring down an airplane full of people but you could end up killing 400 people. Reporter: Take a look at how a simple $50 laser pointed at a small plane a quarter mile away can obscure the windshield. Pilot Steve Robertson was hospitalized after a cockpit laser attack. It felt like I was hit in the face with a baseball bat. Reporter: Some pilots advocate wearing protective Googles but the federal aviation administration does not recommend or require that. You take the vision from a pilot, that aircraft's ability to land is compromised. Reporter: Incidents have risen drastically. David, pointing a laser at an aircraft is considered a federal crime.
This transcript has been automatically generated and may not be 100% accurate.