Before the fall

Toni Collette stars in a new drama based on the hit true-crime documentary...

- STEVEN PERKINS

Dramatic reconstruction...Toni and Colin play Kathleen and Michael

THE STAIRCASE

Thu, 9pm, 10.20pm & 11.35pm, Sky Atlantic Drama

When Kathleen Peterson's body was found at the foot of the stairs in her V US home in 2001, her husband Michael claimed she had tripped and fallen.

But an autopsy revealed injuries to her head that were consistent with an attack using a blunt object, which led to Michael being tried for her murder.

Tragic end