The claim for under-investigation comes from the fact that in English law rape is a very serious offence, and carries a similar sentence structure as murder. Th

The claim for under-investigation comes from the fact that in English law rape is a very serious offence, and carries a similar sentence structure as murder. There are 150,000 rapes per year (according to the annual crime survey, which probably under-counts rape) and there are only 5,000 prosecutions each year. Here are the stats showing decline after the collapse of the high profile cases: https://www.ons.gov.uk/peoplepopulationandcommunity/crimeandjustice/datasets/sexualoffendingcrownprosecutionserviceappendixtables https://www.ons.gov.uk/peoplepopulationandcommunity/crimeand... Here are some news reports: https://www.theguardian.com/society/2019/mar/06/prosecution-rate-in-england-and-wales-falls-to-five-year-low https://www.theguardian.com/society/2019/mar/06/prosecution-... https://www.bbc.co.uk/news/uk-48095118 https://www.bbc.co.uk/news/uk-48095118 https://www.independent.co.uk/news/uk/crime/crime-statistics-uk-justice-prosecution-rates-rape-victims-disclosure-police-funding-a8747191.html https://www.independent.co.uk/news/uk/crime/crime-statistics... https://www.bbc.co.uk/news/uk-45650463 https://www.bbc.co.uk/news/uk-45650463