PORTLAND (NEWS CENTER Maine) - On September 10, 2017, Sunao Thomas Yamada Jr. was murdered around Temple Street in Portland.

He was 54-years-old.

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He was last seen with a man, age 25 to 35, with thin, short dark hair.

Yamada was homeless. Police released a sketch of the suspect, and are asking for the public's help.

Police say any details from the public can help them solve murder cases. Do you know anything? If so, call (207) 874-8533 or submit an anonymous tip here.