People v. Ramos

¶1 This case, like our recently announced ease Venalonzo v. People, 2017 CO 9, 388 P.3d 868, requires us to address the difference between lay and expert testimony.1 Specifically, this case requires us to resolve one issue, whether an ordinary person would be able to differentiate reliably between blood cast-off (i.e., blood droplets from waving a hand around) and blood transfer (i.e., blood transferred by physical contact). Applying the test we announced in Venalonzo, we hold that an ordinary person would not be able to testify reliably about the difference between blood cast-off and blood…