Case of Lies — Perri O'Shaughnessy

Having returned to Lake Tahoe after a stint in California--where her love life took a tumble--Nina Reilly is getting back to work, investigating an unsolved murder that happened outside a Tahoe casino two years before. As she tries to unravel the mystery of that brutal night, a harrowing journey begins--one that takes her from the dark underworld of Tahoe's casinos to the halls of a prestigious East Coast university to Europe and an emotional reunion with Kurt Sc the father of her teenage son.

As old feelings are rekindled, Nina's case turns violent.... Everyone has something to hide--the brilliant but unstable mathematics student who has made an astonishing discovery, the owner of a motel where the shooting took place, and the shooter, who has turned the whole case into a gigantic lie....