Investigation Day 7 — In 1998, Detective Nelson talked to Frank Abbott, another of the men who were laid off from Bowlan Glove on the day the Izards were murdered.
Crime Scene Evidence Files
Investigation Day 8 — In 1998, Doris Hammack received an anonymous note at her hotel.
Because of that note, Doris went to talk to a local woman, Beatrice Carmichael.
Later, Doris shared the note and the recording of that conversation with Detective Nelson.
Investigation Day 9 — As part of an effort to find out what happened to Howard Hadley after the Bowlan Glove layoffs, Detective Nelson spoke to someone from one of Hadley's former employers in Yoknapatawpha County.
Investigation Day 9 — As part of an effort to find out more about Doris Hammack's history, Detective Nelson located a former employer of Howard Hammack, who Detroit Social Services had identified as a possible relative of Doris Hammack.
Detective Nelson corresponded with the personnel manager to get information from Howard Hammack's work history.
Did Phillips Aviation's surveillance of its employees turn up anything potentially useful to the Izard case?
Investigation Day 9 — In 1998, Howard Hammack's former employer sent some relevant private investigation reports along with his personnel file to Detective Nelson.