I thanked her and passed the message to Gabriel.

She agreed to provide her own recollection if asked, without embellishment.

Each witness, each record, each appointment was small.

Together they began to dismantle the terrible certainty with which Celeste had told the police I had lost my balance.

Then, one Friday morning, Ortiz called again.

“The technician recovered a corridor clip,” she said.

“I can’t discuss all of it yet.

But it does not match the account given in the first statements.”