SANTA MONICA, CA — They call him the nightmare neighbor.

"He keeps screaming and yelling. Threatening," said Betty Oliver, 70, who lives next door to Mark Yaskoweak — the man who neighbors say has been screaming obscenities and threatening violence at all hours of the day and night for nearly a year.

Read More: https://patch.com/california/santamonica/nightmare-neighbor-santa-monica-threatens-violence-tenants