Detailed Analysis:

• Claim: A man accused of fatally stabbing a Catholic priest at his home beside a church in a small Nebraska town has pleaded guilty to murder and other charges
• Verification Source #1: A man has been charged with first-degree murder in the death of a Catholic priest who was assaulted at his church in Nebraska on Sunday.
• Verification Source #2: The man suspected in the stabbing death of a Catholic priest in a Fort Calhoun church rectory submitted a plea of “not guilty” in Washington
• Verification Source #3: A Sioux City man has been arrested and charged with murder after a Nebraska priest was killed early Sunday morning in his place of
• Verification Source #4: Man accused of killing Fort Calhoun priest ordered to trial ... Fort Calhoun priest dies after stabbed in small-town Catholic church's residence.
• Assessment: Contradicted. Source 2 states the suspect initially pleaded 'not guilty'. Source 4 indicates a guilty plea, but the timestamp suggests this source is more recent and potentially reflects a change in plea not yet widely reflected in other sources. The ABC article's claim of a 'guilty' plea is therefore potentially accurate as of the current time, but was inaccurate at the time of earlier reporting.