UK courts
Previously known only as as "Nick", Beech is standing trial for attempting to pervert the course of justice.
Hearing ruled the one-year-old had been sexually abused, but that this did not cause her death.
A planned auction of the ex-tennis star's trophies and memorabilia will now go ahead.
The victim's family have described Rahim Mohammadi as "one wicked individual".
He was arrested 50 minutes before take off.
Rahim Mohammadi killed 80-year-old Lea Adri-Soejoko using lawnmower flex.
The 16-year-old boy cannot be named because of his age.
He addressed the court for the first time.
He was prosecuted for violating Weapons of Mass Destruction controls.
The complainants described how they had been "destroyed" by the crimes, in statements read out in court.