Bell, Rogers, Telus and Freedom Mobile were served with court-ordered “production orders” to release cellphone “tower dumps” to the Toronto Police Intelligence Unit. It was a considerable task for the telecommunications companies, assembling thousands, possibly hundreds of thousands of bits of data — the electronic tracings of phone calls and text messages that passed through cellular towers in two areas Barry and Honey travelled both the night they were murdered, and at other key times.
These so-called “tower dumps” were then compared to about 300 cellphone numbers police had gathered in their investigation — belonging to a mix of Sherman friends, family, work associates and others. Maybe, detectives thought, just maybe, they would strike investigative gold.
