FORT WORTH, Texas (AP) -- A former hospital nurse pleaded no contest Tuesday to killing 10 patients nearly six years ago by injecting them with a drug used to temporarily halt breathing. Vickie Dawn Jackson, 40, will be sentenced to life in prison, the maximum sentence she faced if she had been convicted by a jury. Authorities have not offered a motive for the slayings. http://edition.cnn.com/2006/LAW/10/03/killer.nurse.ap/index.html She was stupid to throw away a syringe with traces of the drug in her garbage. i would suggest having the power of killing was her motive.