critical thinking keyword

We, Lisa and I, want to explain the critical thinking keyword, 'bias.'
Bias is a inclination that gives weight to one particular opinion.  Inclination means a tendency to think or behave in a particular way. We sometimes judge an issue from our personal emotion without reasonable consideration.

Lay judges need to think crimes objectively to give right judgement. If they lack such a consideration, it influences defendant's sentence in big way.
Last year, a 42-year-old man was arrested for his elder sister's murder. He has Asperger Syndrome(a kind of autism) since he was little. However, he was said 20-year sentences, and this is 4 year longer than procecutor's sentence. Judges think that even if the defendant has mental illness, there is no assureance that he'll never commit crime, so it is safe for us to prison him as long as possible. However, this opinion is biased view that handicapped person tend to commit crime.