Door-knocking might not be a quick payoff for Mormon missionaries in Minnesota, but it does strengthen their faith

(John Enger | Minnesota Public Radio) In this June 13, 2018 photo, Mormon missionaries Tanner Smedley, seated, and Joseph Smith talk with a man identified only as Devontae in Detroit Lake, Minn. Smedley and Smith both 19 from Utah, are part way through into their two-year Mormon mission.