Dando inquiry: The first 100 days

Jill Dando: Killed by a single gunshot outside her home

On the 100th day of the Jill Dando murder inquiry, police remain confident that their network of clues will lead them to the killer.

Ms Dando, 37, presented Crimewatch, the Holiday programme and the Six O'Clock News. As well as being at the peak of her professional career, she was also looking forward to marrying her fiance, gynaecologist Alan Farthing.

A chronology shows how the investigation has developed since the presenter was shot outside her home.

26 April - Ms Dando is shot once in the head on the doorstep of her home in Gowan Avenue, Fulham, south-west London.

Tributes lined the street where Ms Dando was killed

Despite emergency treatment at the scene and at Charing Cross Hospital, Ms Dando is certified dead at 1303 BST.

Detectives launch a murder inquiry, focusing on a smartly dressed man carrying a mobile telephone seen walking calmly but briskly from the scene.

27 April - Scotland Yard reveals that Ms Dando was killed by a shot to the side of the head at very close range from a 9mm semi-automatic pistol.

There are several sightings of the suspect, who may have disguised himself with heavy black-framed spectacles.

30 April - Police release an E-fit of the prime suspect. DCI Hamish Campbell, leading the murder inquiry, releases CCTV footage showing a metallic blue Range Rover on Fulham Palace Road travelling south shortly after the killing.

The BBC is to screen The Antique Inspectors, Jill Dando's last series

2 May - Police release CCTV footage from the morning of Ms Dando's murder, showing her shopping in the Kings Mall shopping centre at Hammersmith.

5 May - An inquest opens, and DCI Campbell discloses that the prime suspect made his getaway on a number 74 bus. He spoke on a mobile telephone before getting off at Putney Bridge.

10 May - It emerges that Scotland Yard is to appoint senior detectives to review the inquiry, Operation Oxborough.

18 May - Crimewatch features a reconstruction and appeals from Mr Farthing. The show generates 500 calls from the public.

21 May - Mourners including Prince Edward's fianceé Sophie Rhys-Jones attend Ms Dando's funeral at Weston-super-Mare.

28 May - Detectives release a man arrested at his home in connection with the inquiry.

9 June - The inquest is adjourned for three months following a hearing at Fulham Coroners Court.

Police are hoping the bullet will provide a long-awaited breakthrough

6 July - Ms Dando left more than £1m - but no will. Her estate, worth £1,181,207 pre-tax, passes to her father Jack, 81.

29 July - Police reveal there were six distinctive and unique marks on the cartridge case of the killer bullet.

3 August - The 100th day of the police investigation.

The Sun newspaper announces it is offering a £100,000 reward to help catch Ms Dando's killer. The reward brings the total on offer to £250,000.