Crispr can be used to target the intended DNA to cause a specific mutation in people. Conversely, Crispr often finds targets elsewhere too known as unintended mutations or off- target mutations which can take place due to human error and proves to be very dangerous. When used in other species, For example, such off target mutations have been also linked to deadly diseases like cancer. This implies that these off- target mutations present a risk for people that may not matter in lab but can cause "grave harm" in people
