The police reform bill's modest changes have not gone far enough to win the support of the moderate Catholic party.
Among the surprises was the strong showing of the two leading Catholic parties, which together received about 12 percent.
In politics, he found a way to work with both Protestant and Roman Catholic parties.
He was a member of the Progresistas, a liberal Catholic party.
Until not so long ago, many people in countries with Catholic or Protestant parties did just that.
There has never been a Catholic religious party, either local, state or national.
There have been no polls indicating how the vote might go, but analysts said the two Catholic nationalist parties could gain three or four seats.
As a Catholic party, it advocated equal finances for religious and public schools.
Polls taken before the bishops' letter showed the five self-proclaimed Catholic parties running well behind.
He is more liberal and less nationalistic than his conservative, Catholic party on several key economic and social issues.