Investigators believe that an individual committed a murder; however, a week after the crime, the suspect died under suspicious circumstances. from which of the suspect's family members could investigators collect dna that could determine whether the suspect actually committed the first murder?

The correct answer would be - parents, offspring, and siblings of the suspect.

Explanation:

DNA percent that relatives share with an individual varies according to the type of relationship they share with the individual person. The average DNA percentage that is shared with the close biological family that is parents (mother or father), offspring (son or daughter) or the siblings (brother or sister) is about 50% which is the maximum and best choice for the DNA match for the determining whether the suspect committed crime or not.

Other relatives share only 25 % or less average DNA percentage share with the individual.

Thus, the correct answer is-  parents, offspring, and siblings of the suspect