# Chapter 24: Blood vs Bond
The witness died in her sleep on Friday night.
Heart attack, the coroner ruled. Stress-induced cardiac event brought on by the pressure of pending testimony. No signs of violence, no suspicious circumstances, nothing to suggest anything other than tragic timing.
Serena returned from Virginia with clean hands and a clear conscience.
"It's done," she told Dante as she walked into their penthouse Saturday evening.
"Any complications?"
"None. Ricin is virtually undetectable when administered properly, and mimics natural cardiac stress perfectly."
"Where did you learn to—"
"Medical journals. Toxicology studies. Amazing what you can learn when you have access to senate intelligence databases."
Dante stared at his wife, this woman who could kill a federal witn
