Complex sentence: However, an interview with DeFeo at the station soon exposed serious inconsistencies in his version of events, the following day he confessed to carrying out the killings himself and Mazzeo had an airtight alibi proving he was out of state at the time of the killings.
Split into simpler sentences: However, an interview with DeFeo at the station soon exposed serious inconsistencies in his version of events. The following day he confessed to carrying out the killings himself and Mazzeo had an airtight alibi proving he was out of state at the time of the killings.