TAMPA, Florida — A Tampa mom accused of killing her "mouthy" children wrote a note before the shootings in which she complained about a three-day waiting period that Florida imposes on gun sales, police say. Authorities say Julie Powers Schenecker bought a .38-caliber revolver the weekend before the shootings. Tampa Police spokeswoman Laura McElroy told the St. Petersburg Times that Schenecker wrote in the note that the three-day gap between buying and taking a gun... (GunPolicy.org)