(January 13, 2017 at 12:13 pm)Shell B Wrote: (Don't bother denying the fact that such cases exist. If we thought it was impossible to have no doubt of a person's guilt, we couldn't put anyone in jail ever.)
The standard is beyond a reasonable doubt here in America, not airtight, as you seem to imply here.
We can and do convict people on less-than-perfect evidence, and occasionally (surprise!) those convictions turn out to be wrong.