The investigators are looking at contracts Cardinal Sepe made with government officials while he was head of the Congregation for the Evangelization of Peoples.
Gubernatorial front-runner Rodolfo Torre Cantu was gunned down along with four others 200 miles south of the Texas border.
Advocates for the homeless see hopeful signs in a federal plan unveiled June 22 by the Obama administration.
Gov. Charlie Crist of Florida vetoed a proposed Florida bill, but similar legislation is having more success in other states.
Archbishop Timothy P. Broglio said that requiring personnel in military hospitals to perform abortions would place "a very heavy burden" on those who value human life.