Robots are becoming security guards. ‘Once it gets arms … it’ll replace all of us’

‘William Santana Li imagines a future where robots will keep Americans safe.
Communities, he dreams, will take security into their own hands by investing in wheeled machines that patrol streets, sidewalks and schools — instantly alerting residents via a mobile app of intruders or criminal behavior.
“What if we could crowd-source security?” said Li, co-founder and chief executive of a robotics company, Knightscope, that hopes to eventually do just that.’
Read more: Robots are becoming security guards. ‘Once it gets arms … it’ll replace all of us’