(CNN) -- Pope Francis has accepted the resignation of Bishop Robert Finn, who remained on the job for years after becoming the highest-ranking U.S. Catholic official convicted in the church's long-running sex abuse scandal, the Vatican announced Tuesday.
Finn, who led the Diocese of Kansas City-St. Joseph, Missouri, was found guilty in 2012 of failure to report suspected child abuse.
The case was tried by a judge instead of by jury because prosecutors wanted to protect the young victims' anonymity.
Finn was convicted of one count but not a misdemeanor charge he'd also faced. He was put on two years of probation but was not forced to spend time in jail or pay a fine, according to the Jackson County Prosecuting Attorney's Office. Two charges against his diocese were dropped.
At the time of his conviction, Finn said, according to CNN affiliate KCTV: "I truly regret and am sorry for the hurt these events have caused."
Jackson County Prosecutor Jean Peters Baker said the conviction and penalty, which included starting a $10,000 fund for sexual abuse counseling and mandatory training for church officials on how to report abuse, would have positive ramifications.
"We can be assured now that if an allegation of child abuse comes to the attention of the Diocese of Kansas City-St. Joseph, there will be no hesitation to report it immediately to the proper authorities," Baker said.
Prosecutors: Diocese didn't tell police about child porn for months
The case against Finn revolved around how his diocese dealt with Shawn Ratigan, an Independence, Missouri, priest who pleaded guilty in August 2012 to five child pornography charges.
Church officials found disturbing images on Ratigan's computer but didn't notify police until nearly five months later, prosecutors said.
In those interceding months, the priest kept on working.
And Finn kept his job as bishop, even after his 2012 conviction. The official website of the Catholic diocese of Kansas City-St. Joseph still listed him as its bishop Tuesday morning.
Cardinal Sean O'Malley, who took over the abuse-shaken Boston archdiocese and has become one of the Pope's point men in the United States, has acknowledged the inconsistency that someone who wouldn't be allowed to teach Sunday school was still running an American diocese.
"It's a question that the Holy See needs to address urgently," O'Malley said in a "60 Minutes" interview in November. "There's a recognition of that ... from Pope Francis."
Watchdog group: 'A good step,' but more needed
Now that the case has been addressed, the Kansas City-St. Joseph diocese has a new leader: Kansas Archbishop Joseph Naumann.
Under the Pope's directive, Naumann will be the Kansas City diocese's apostolic administrator, in addition to his regular responsibilities in Kansas, until a permanent bishop is appointed, according to an announcement on the diocese's website.
"I pray that the coming weeks and months will be a time of grace and healing for the Diocese," Naumann said in an open letter to parishioners. "All of us, who are privileged to serve in leadership for the Church, do so for only a season. It is not our Church, but Christ's Church."
Anne Doyle, co-director of BishopAccountability.org, a watchdog group that documents the church's abuse crisis, called Finn's removal "a good step but just the beginning." Specifically, she asked for more elaboration than the Vatican's one-line announcement that Francis accepted the resignation "in accordance with ... Canon Law."
"The pope must show that this decision represents a meaningful shift in papal practice -- that it signals a new era in bishop accountability," the group said. "... What no pope has done to date is publicly confirm that he removed a culpable bishop because of his failure to make children's safety his first priority. We urge Pope Francis to issue such a statement immediately."
CNN's AnneClaire Stapleton contributed to this report.
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