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Mustafa Abdel Jalil, the head of the Libyan Transitional National Council, should not have advanced his own theory about Moammar Gadhafi’s death. While it is good that the TNC has appointed a committee of inquiry to investigate how Colonel Gadhafi died, the committee should be able to do its work accurately and conscientiously, without any appearance of influence from the head of the Libyan government.

Mr. Abdel Jalil hypothesized that Col. Gadhafi was killed in order to prevent a trial that could have disclosed many of the crimes of the overthrown regime. This somewhat convoluted theory invites a suspicion that Mr. Abdel Jalil wishes to exculpate his own supporters: “Let us question who has the interest in the fact that Gadhafi will not be tried. Those who...