Thread:Joanne Maniago/@comment-29570797-20170401231131/@comment-34597974-20170407190810

The victim in the tennis case is named Valeria Dementieva. She is a tennis player participating in the tournament.

The killer is her fraternal twin sister Viktoria Dementieva, who is also a tennis player.

Motive: Viktoria always thought that her twin sister was a better tennis player. This resulted in a rivalry between the two sisters. One day, in a locker room, the two sisters had a fight over who was the better player.