Millions of low-income Hispanics in the United States and Latin America donate 10% of their monthly income to evangelical churches. A Univision investigation examined some of these congregations and found that their handling of the millions of dollars donated by parishioners lacked transparency. In one case, the House of God in Guatemala, pastor carlos 'Cash' Luna was linked to a drug trafficker, according to several sources. In another case, authorities in Colombia are investigating pastor Maria Luisa Piraquive for alleged money laundering.