Detective Inspector Warren Hines is investigating the murder of Jasbir Singh-Baines.
He was found floating in Dartmouth Park last week.
A post-mortem found that he had died from a cut to this throat.
DI Hines explains what he needs to know about Mr Singh-Baines.
More top news
A look at tips and advice to help keep children safe on the internet and reduce the chances of them being groomed online.
'Kayleigh’s Love Story' is a warning to young people about the dangers of speaking to people they don’t know online.
South Northamptonshire MP Andrea Leadsom has officially put her name forward to be the next Tory leader, but who is she?