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The police often use
, CCTV, and DNA to find criminals. A new study shows that
is also used. Moss grows everywhere. These
plants can help in police
. The
is in the journal Forensic Sciences Research. Scientists looked at all the cases in which moss was used to help solve crimes. Lead
Dr Matt von Konrat said: "We wanted to highlight the
of botanical evidence because...investigators may be overlooking
." He added: "We're hoping that
study helps show how
these tiny plants can be."