Presumed Guilty by Tess Gerritsen
Miranda Wood thought she had seen the last of Richard Tremain, her rich and married ex-lover--until she discovered him stabbed to death in her bed. With her knife. With her world falling around her, Miranda is determined to clear her name and discover who killed Richard. But proving her innocence may become secondary to staying alive....
After Nina Cormier was jilted at the altar, the empty church exploded. Then someone tried to run Nina off the road, and she realized someone wanted her dead--but who? That's what Detective Sam Navarro needs to find out...fast. With a nightmare unfolding around them, Sam and Nina decipher the stunning truth. Now they're at the mercy of a brilliant madman who plays for keeps....