During an incident to arrest, which item is an officer not allowed to seize without additional justification or a warrant?

Officers are typically allowed to seize items that are in plain view, pertinent to the arrest, or directly associated with the crime being investigated. In the case of a suspect's statement, items of clothing, or fingerprints, these can be collected during the arrest process as they are inherently tied to the arrest and do not require additional justification beyond that.

However, bodily samples like hair and blood are considered a more intrusive form of evidence collection that typically require either the consent of the individual or a warrant based on probable cause. The collection of such samples implicates rights regarding bodily integrity and privacy, which are afforded greater protection under the law. Therefore, to legally obtain hair or blood samples, law enforcement must demonstrate further justification, making this the correct answer to the question.