Nora Roberts

"They died with smiles on their faces. Three apparent suicides: a brilliant engineer, an infamous lawyer, and a controversial politician. Three strangers with nothing in commonand no obvious reasons for killing themselves. Police lieutenant Eve Dallas finds the deaths suspicious. And her instincts pay off when autopsies reveal small burns on the brains of the victims. Was it a genetic abnormality or a high-tech method of murder? Eves investigation...