We went to university together http://3dinspectionontour.com/cheap-womenra.pdf injury womenra online complicated county Model helicopter enthusiasts and park-goers looked on in horror Thursday as a teen was struck and instantly killed by his own remote-controlled helicopter in a Brooklyn park. Roman Pirozek Jr., 19, apparently lost control of his model helicopter while trying to perform a trick. The copter sliced off the top of his head and part of his shoulder as his father and fellow RC helicopter enthusiasts were watching, law enforcement officials said.