University of Florida premed student kills his mom, cops say Miami HeraldFlorida pre-med student accused of fatally stabbing mother 70 times FOX 35 OrlandoPre-Med Student Charged with Murder After Stabbing His Mother More Than 70 Times PEOPLEGrady Judd releases 911 call of son confessing to stabbing his mother to death because ‘she got on his nerves’ FOX 13 Tampa