linden keiffer: that's castro valley. garvin: after decades spent bouncing around a variety of careers, from international trade to park ranger, linden keiffer says he took the security job at eden rop in hayward because he liked the schedule and the benefits. linden: man, you deserve student of the year. garvin: but the greatest benefit, it turns out, was nowhere in the job description. linden: i just hunted out and worked hard to find out, really, what i loved to do and found a way to make that work. linden: this is the oldest part of campus. garvin: it all started, linden says, not long after he started patrolling the campus and spotted an empty plot of land out back. linden: i see a field. i'm thinkin', "man, that is such a wonderful field. why can't--what if we can use this?" garvin: so linden got permission on his breaks and on weekends to start a garden-- linden: and we tickle the roots. garvin: something he always loved doing. linden: i think we'll do lemon this time. garvin: but linden now admits there was an ult

linden keiffer: i'm just not here to secure your body. i wanna secure your mind. announcer: but first-- pati poblete: i wish none of it had to happen. announcer: a north bay mother turns grief into action and puts it on display for all to see. pati: i'm gonna transform this so't d in va. announcer: here's nbc bay area's garvin thomas. garvin thomas: thank you so much for joining us. among the most difficult and controversial issues facing our communities these days is gun violence. there is no denying though, too many lives are lost to it,