replaced toggleAllMarkerVisibility with a trigger event
replaced toggleAllMarkerVisibility with a trigger event

MurderSheWrote/MurderSheWroteSeattle,MurderSheWrote/MurderSheWroteSeattle,MurderSheWrote/MurderSheWroteSeattle,MurderSheWrote/MurderSheWroteSeattle