The detective leading the investigation into the murder of Birmingham pensioner Mohammed Saleem says "no stone will be left unturned" in the hunt for his killer.
Detective Superintendent Mark Payne says police are still keen to speak to witnesses.
Detectives investigating the murder of 75-year-old Mohammed Saleem, will tonight revisit the scene in Small Heath where he was attacked as he walked home two weeks ago.
Throughout today and this evening, police will be in the area talking to members of the public and encouraging anyone who saw anything suspicious to come forward.
Mr Saleem was attacked as he walked home from the Green Lane Mosque along Little Green Lane just before 10:30pm on April 29.
Police will revisit the scene where a pensioner was murdered as he walked home from the mosque in Small Heath two weeks ago.
75-year-old Mohammed Saleem was stabbed three times in the back and died.
Crimestoppers have offered a £10,000 reward for information that leads police to the killer.
Tonight officers will patrol the area around the Green Lane Mosque in Small Heath in the hope of collecting new evidence.
Michael Sibert's full report on the day that Crimestoppers offer £10,000 for information that leads police to the killer of a 75 year old man in Birmingham.
Police think this man may be able to help them in their investigation into the death of Mohammed Saleem,
This image was captured on CCTV near where Mr Saleem was killed in Small Heath, Birmingham.
Crimestoppers have put up the £10,000 reward.
Detective Superintendent Mark Payne, who is leading the investigation, says West Midlands Police Force is "working around the clock" to piece together the information they have about the crime.
"I want to reiterate how important it is to come forward with any information you may have. You can speak to Crimestoppers anonymously and there are robust plans to support and protect witnesses through the justice system.
Our thoughts remain with the family and friends of Mr Saleem who continue to support our investigation."
West Midlands Police say the reward offered by Crimestoppers for information leading to the killer of Mohammed Saleem Chaudry is "key" to helping their investigation.
Detective Superintendent Mark Payne, who is leading the investigation, said £10,000 might encourage someone who is reluctant to come forward to change their mind.
"Our appeal is simple - someone out there knows who is on that CCTV image, they recognise their movement or their clothing. Maybe there are concerns about someone's behaviour since the murder? Now is the time to act."
£10,000 is being offered as a reward by Crimestoppers for information that leads police to the killer of 75 year old Mohammed Saleem.
He was fatally stabbed as he walked home from the Green Lane Mosque in Small Heath, Birmingham just before 10.30pm on Monday 29th April.
A vigil has been held in Small Heath in memory of Mohammed Saleem who was stabbed in the back in Birmingham last week. Watch Kate Fisher's report.
Chief Superintendent Alex Murray addressed those who went to the vigil and asked for help to track down the person who killed Mohammed Saleem.