Tonya Thomas shot her four children 18 times in Tuesday's massacre, and two of them were shot as the gun pressed against their chests, according to the medical examiner's report. She used jacketed, hollow-point bullets, which cause more damage than full-metal jacket rounds, and used a single Taurus .38-caliber revolver, which she would have had to reload three times. About 36 minutes passed from when the first shots were reported to 911 until the last shot was heard, Florida Today reports. (Thomas reportedly smoked a cigarette after killing her children and before killing herself.) Previous reports from the AP and Fox News paint a tragic picture of the family's history: