Yeah, a few simple milk runs to raise awareness about each other, but nothing challenging enough to raise trust. . . Seems appropriate. Because of the unusual circumstance for which people become 'runners, I always find it unlikely that people who know each other in previous life having the same situatation (unless they're family. . . Now that's an angle. . . )
Besides, if your fixer's sliding you work, you've only got so much wiggle room to question your teammates. . .