FOUR people have been arrested on suspicion of assisting murder suspects.
Jay Whiston, 17, of Aster Close, Clacton, was stabbed to death in September in Marlowe Way, Colchester.
Five people are currently on bail on suspicion of murder.
Four more were arrested this morning on suspicion of assisting an offender.
They include a 51-year-old man, an 18-year-old man and a 42-year-old woman from the Colchester area and a 17-year-old girl from Clacton.