Officers were called to an allotment off Prospect Drive in Shirebrook at around 10am on Sunday (26 January).
Stefan Pakeerah, 14, was lured to New Parks in Leicester and bludgeoned and stabbed to death by Warren Leblanc in 2004.
East Midlands Weather: Wintry showers overnight, ice risk in Derbyshire
Police were checking whether anyone was hurt inside a house a bus collided with when they found cannabis plants inside
A 20-year-old man has been arrested on suspicion of murder in connection with the death of footballer Jordan Sinnott.
Rather cold and breezy on Monday. Sunshine and showers
Drier at first, then further showers by dawn.
Drier this evening, then further showers by dawn.
Mainly cloudy, but with a few clearer spells
East Midlands Weather: Cloudy, outbreaks drizzle and hill fog. Limited brighter spells possible