Kimberly exhaled sharply. "You always did this."
Roger looked at the $11,400 invoice on his desk. "Did what?"
"Made money more important than people."
Roger let the silence sit. Then he asked one question.
"What renovation did we do six months ago for $11,400?"
Silence.
Roger waited.
Kimberly said, "I don't remember every expense."
"The invoice says Maplecrest Avenue."
Another silence. Longer.
"Talk to Eric," she said.
The line went dead.
Roger lowered the phone. For the first time, Kimberly had stopped explaining.
The documents had done what arguments could not. They had narrowed the room.
Two days later, Amanda emailed Roger a short message.
"We need to bring in a forensic accountant."
Roger called immediately. "You think it's that serious?"
"I think the transactions are complicated enough that I don't want either of us pretending we're accountants."
"Who?"
"Natalie Brooks. She's worked on business and marital tracing matters for years."
Roger looked at his spreadsheet. Thirty-one thousand had become more. The LLC had become a duplex.
The duplex had become contractor payments. And now one payment Kimberly had labeled as work on their home led directly to Westerville.
Roger closed the spreadsheet. He thought again about the first night.
Two wine glasses. One unfamiliar jacket. One man coming down the stairs.
Those had been obvious. The dangerous things were quieter.
They came with transaction numbers, invoices, dates, descriptions that almost sounded reasonable.
Almost.
Roger opened the $11,400 invoice one more time. At the bottom, beneath the contractor's signature, was a reference number he had not noticed before. Amanda had asked Natalie to start with that number.
By Monday morning, they would know where the money went next.
Natalie Brooks arrived at Amanda Collins's office at 8:55 Monday morning, carrying a laptop and one black binder. She was 44, precise, and unimpressed by drama.
Roger liked that immediately. Amanda introduced them, then pushed a copy of Roger's transaction spreadsheet across the conference table.
Natalie looked at it for less than a minute. "You made this?"
"Yes."
"What do you do?"
"Commercial building inspections."
"That explains the columns."
Roger said nothing. Natalie opened her laptop.
"I don't care who cheated on whom."
The sentence was so direct that Roger looked at her. Natalie continued.
"I care where money originated, where it moved, who controlled the destination, and what documents support each step. If you want emotional conclusions, I'm the wrong person."
Amanda glanced at Roger. Roger nodded. "That's what I want."
"Good."
Natalie turned the laptop toward him. A spreadsheet filled the screen. It was far more detailed than Roger's.
She had begun with the $11,400 contractor payment. The reference number on the invoice matched a transaction received by Buckeye Restoration and Contracting. The service address was Maplecrest Avenue, Westerville, not Ashborne Drive, Worthington.
Natalie pointed to the first line. "Now we go backward."
The $11,400 had come from an account held by K&W Residential Partners. Three days earlier, $9,000 had entered that account. Part of that money traced back to the Barry joint checking account.
Before that, money had entered the joint account from the HELOC. Not every dollar traveled in a perfect straight line. Natalie made that clear.
"Money mixes," she said. "That's why we don't point at a one-dollar bill and pretend it has a name written on it. We reconstruct timing, balances, and transfers."
Roger watched the dates.
HELOC advance. Joint account. LLC. Contractor.
Four steps.
Amanda asked, "How much can you trace with confidence?"