A timeline of PCR evolution within forensic science from 1985 to the present day (2023). 1985–1990 [4,5,14,49], 1990–1995 [19,50,51], 1995–2000 [52,53,54,55,56], 2000–2005 [57,58,59], 2005–2010 [60,61,62], 2010–2015 [63,64,65,66], 2015–2020 [67], and 2020+ [68,69].