Republican lawmakers say that ties between Rep. John Murtha (D-Pa.) and his brother’s lobbying firm, KSA Consulting, may warrant investigation by the House ethics committee.

The calls come as Murtha, a former Marine and pro-military Democrat, has made headlines this week by coming out in support of a rapid withdrawal of U.S. troops from Iraq.

According to a June 13 article in The Los Angeles Times, the fiscal 2005 defense appropriations bill included more than $20 million in funding for at least 10 companies for whom KSA lobbied. Carmen Scialabba, a longtime Murtha aide, works at KSA as well.

KSA directly lobbied Murtha’s office on behalf of seven companies, and a Murtha aide told a defense contractor that it should retain KSA to represent it, according to the LA Times.

In early 2004, Murtha reportedly leaned on U.S. Navy officials to sign a contract to transfer the Hunters Point Shipyard to the city of San Francisco, according to the San Francisco Chronicle. A company called Lennar Inc. had right to the land, and Laurence Pelosi, nephew to House Minority Leader Nancy Pelosi (D-Calif.), was an executive with the firm at that time.

Murtha also inserted earmarks in defense bills that steered millions of dollars in federal research funds toward companies owned by children of fellow Pennsylvania Rep. Paul Kanjorski (D).

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Jennifer Crider, a Pelosi aide, dismissed the allegation that the Minority Leader was involved in anything improper as “absolutely ludicrous, and an attempt to divert from the real issue that Mr. Murtha is attempting to engage in debate on a critically important topic — U.S. policy in Iraq. The real story here is the Republican strategy to try to discredit at Congressman Murtha” while he is pushing for a U.S. pullout from Iraq.