Must be, can't be 3

Try this exercise  Logical deduction- must be/ can´t be, by tanjapan
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Must be, can't be 2

Logical deduction- must be/ can't be

An excellent collection of kid's mysteries can be found on MysteryNet. Give your stronger classes one of the mysteries from this site and let them discuss and write down who MUST BE or CAN'T BE guilty of the crime.