Complex sentence: August Sabbe, the last surviving "Forest Brother" in Estonia, was discovered by KGB agents in 1978, he was posing as a fisherman, instead of surrendering, he jumped into a river and hooked himself to a log, drowning.
Split into simpler sentences: August Sabbe, the last surviving "Forest Brother" in Estonia, was discovered by KGB agents in 1978, he was posing as a fisherman. Instead of surrendering, he jumped into a river and hooked himself to a log, drowning.