José Antonio Kast has pledged to deport Venezuelan migrants without papers if he wins, a promise that has pushed him to frontrunner status while spreading fear among the hundreds of thousands of undocumented people living in Chile.In Santiago’s "Little Caracas", vendors such as David and María and migrants like Suhey García describe daily work, insecurity and uncertainty about residency amid police raids and campaign rhetoric that points to roughly 9% of the population being foreign-born and about 330,000 irregular migrants.