Nov. 9 on The Story: Once every other month for three years, Anna makes the six-hour drive across Oregon from Ontario to Portland to look for her son. He's homeless and addicted to hard drugs. To her, the streets of Portland are a tangled maze, and she never knows what she might find. "To go to bed every night and not to know where your son is if he's alive, if he's dead, if he's freezing to death, it's hard, it's draining," she said of the never-ending agony the situation causes her. To make the situation even more challenging, Anna has been diagnosed with a terminal illness, which makes every step of her search that much heavier. Watch more The Story videos: http://bit.ly/watchTheStory Follow The Story on Twitter: https://twitter.com/TheStoryKGW Follow The Story on Instagram: https://instagram.com/thestorykgw