adult
adults only
analyzing
beaker
chemical
chemistry
crime
crime laboratory
crime scene
detective
digital camera
discovery
document
evidence
expertise
exploration
females
footprint
forensic science
instrument of measurement
lab coat
laboratory
laboratory equipment
lens optical instrument
liquid
magnifying glass
medical research
medical sample
microscope
microscope slide
murder
mystery
one person
one woman only
paper
people
photographing
professional
protective eyewear
protective glove
research
sample
scientific experiment
shoe
violence