How can STR data from close relatives be used to create a genetic profile of a missing person?

Short Tandem Repeat (STR) data from close relatives can be used to create a genetic profile of a missing person by comparing the STR markers shared between the relatives and the potential missing individual. Since STRs are inherited, the genetic profile of relatives can provide a reference for identifying the missing person's unique genetic markers. By analyzing these shared markers, forensic scientists can infer the missing person's STR profile, which can then be compared to DNA samples found at a crime scene or elsewhere. This method enhances the chances of identifying the individual through familial connections.