09/25/2012 12:48 pm ET

Grand Jury Possible In Tylenol Killings: 30 Years Later

Thirty years after seven people died from ingesting poisoned Tylenol capsules , state prosecutors are weighing whether to commission a grand jury to compel witness statements in the case, sources tell the Chicago Sun-Times.

The evidence investigators presented to prosecutors so far remains circumstantial, but it could be bolstered by statements from potential witnesses who have declined to sit for interviews, according to sources close to the investigation.

So far, however, no decision has been made on whether to give the grand jury a green light. Sources say both state’s attorneys from Cook and DuPage counties have been briefed on the evidence. The investigation, handled by an FBI-led task force of law-enforcement agents, still centers on the same man: James W. Lewis, sources tell the Sun-Times.

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