CatholicVote, a national Catholic political advocacy group, on Tuesday announced the $9.7 million campaign to discourage Catholics from voting for Biden. The organization is producing an “in-depth report on Biden’s record on issues Catholics care about,” including a shortened “voter guide” version, that it plans to send to five million Catholic voters. The effort will also kick off with a $350,000 digital ad buy in the swing states of Pennsylvania and Michigan.

The group’s new effort, which involves full-time staff in six states and thousands of volunteers, will reach voters through digital advertising, parish-by-parish canvassing, direct mail, and ...