How Moss fights crime – toptrends.io

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YYou’ve probably come across an unlikely solution to the crime: Algae may be low-level, but it can provide major assistance in closing classrooms. Mat-like plants and their relatives have previously been used to measure the timing of people’s deaths and link suspects to crime scenes, among other important forensic insights.

Mosses and other members of the bryophyte group have been useful clues in forensic investigations for several reasons – they inhabit many different habitats, can be tied to specific locations, and attach easily to people’s clothing, vehicles, or other personal items. They are also easily preserved, and only a small portion of the bryophyte sample is needed to narrow down the major group to which the sample belongs.

Despite the valuable secrets they hold, moss plants have only been documented to help a handful of reported forensic cases around the world, according to a recent study. paper Recently published in the magazine Forensic science research.

In body image — **Botanical clues:** Dried *Sphagnum* Moss sample collected in 2013 during a murder investigation in Michigan. *Image courtesy of the Field Museum.*

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“We reviewed 150 years of scientific literature to see how these plants have been used in investigations,” Matt von Conradt, study co-author and head of botanical collections at the Field Museum in Chicago, said in the article. statement. Well, it turns out the answer was: “Not much.”

Along with his collaborators, von Konradt encountered several cases in which bryophytes were used to calculate the postmortem period of remains—the time that passed between a person’s death and the discovery of their body—based on the growth rates of these plants. Investigators also analyzed fragments of moss plants taken from the suspects. When investigating a 2001 murder in Finland, officials there used “recovered moss plant fragments to link suspects to the crime scene where human remains were discovered,” according to the newspaper.

Read more: “The Strange Case of Swamp Bodies“

During the investigation into the 2011 kidnapping and murder of a 4-month-old baby in Michigan, dried clay found on a suspect’s shoe contained… Sphagnum Moss and a group of other plants that do not normally grow near each other, leading officials to a specific area to search for the victim’s body. Several authors of the new paper were involved in the case. Although the body was not found, “analysis and identification of botanical samples extracted from Phillips’ shoe significantly narrowed the scope of investigators’ search.”

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Beyond these few examples, the authors point out that plants are “underutilized” in forensic investigations. In fact, few law enforcement professionals are trained to identify and collect any type of botanical specimen.

“Plants, especially bryophytes, represent an overlooked but powerful source of forensic evidence that can help investigators connect people, places, and events,” study co-author Jenna Merkle, who was pursuing a master’s degree in forensic science at George Washington University during this research, said in the release. “With this paper, we aim to raise awareness of forensic botany and encourage law enforcement to recognize the value of even the smallest plant parts during investigations.”