Complex sentence: But he starts to change his mind, and meets increased resistance from the police and state's attorney office unwilling to be proved wrong, which is quickly followed by political pressure from the state capital anxious to end a story that might prove embarrassing to the administration.
Split into simpler sentences: But he starts to change his mind, and meets increased resistance from the police and state attorney's office, who are unwilling to be proven wrong. This is quickly followed by political pressure from the state capital, anxious to end a story that might prove embarrassing to the administration.