CNN Forensic Files March 29, 2015 06:08:00
>> a nonsecreter does not secret their abo blood type into their secretions. approximately 20% of the population would fall into that class of being a nonsecreter. >> with little else to go on, police turned their attention to the phone receiver used to make the 911 call. the brushes that apply fingerprint powder can sometimes remove some of the fingerprint. so technicians wanted to stabilize any possible prints by using super glue fuming. it's a little like putting chocolate over ice cream. it creates a protective shell over any print. the heated super glue adheres to any amino acids present....