A man in his 60s, Mr. A, was sentenced to 18 years in prison for allegedly murdering his neighbor, Mr. B, also in his 60s, with a weapon at a villa in Buk-gu, Busan. The two had been in a long-standing dispute over the collection of villa management fees. Mr. A believed that Mr. B, as the person in charge of collecting management fees, did not deduct his own fees and posted payment details, causing him humiliation.