Police investigating the group invasion of a house in the middle of the day are appealing for help from the public.
Officers say three men forced their way into a house while the owner was at home, and stole "various" items before making off.
One man has been charged in connection with the incident in Lower Cwmtwrch near Ystradgynlais last month. Two others who were arrested have been released on bail.
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Now detectives are appealing for help to find a man who may have important information which could help their inquiries.
Police have released CCTV images of the individual, and are asking him to come forward - and are urging anyone who knows his identity to contact them.
A spokeswoman for Dyfed-Powys Police said: "Police in south Powys want to speak to this man in connection with a daylight burglary in Ystradgynlais last month.
"At around 2pm on Tuesday, March 3, three men are alleged to have forced their way into an occupied house on Gorof Road, Lower Cwmtwch, and stolen various items.
"A 33-year-old man was charged with suspected burglary and remanded to prison. Two other men, aged 35 and 23, were also arrested and released on bail.
"However officers believe the man pictured might have vital further information which could assist the investigation.
"If you recognise him, or believe you are pictured, please contact Dyfed-Powys Police."
Can you help? Call Dyfed-Powys Police on 101 quoting reference number DPP/3311/03/03/2020/02/C, email contactcentre@dyfed-powys.pnn.police.uk, or call Crimestoppers anonymously on 0800 555111
