the Metro Police are investigating a murder scene the killer was scratched by his victim and some of his skin cells are found under the victim's fingernail the police have arrested four suspects and have taken DNA samples from each of the suspects for analysis the DNA pattern generator from the killer skin cell sample found in the crime scene did not match any of the DNA's patterns of the suspects which conclusion can be drawn?
A- only one of the suspects can be ruled out
B- None of the suspects can be ruled out
C- all of the suspects cab be ruled out
D- a mistake must have been made and the test will have to be run again.
