PHILLIPSBURG, N.J. -

If you know who pulled the trigger in a robbery-turned-homicide, there could be some money in it for you.

Police in Phillipsburg, N.J. are asking for the public's help to solve the crime that claimed the life of a gas station attendent.

"There may be people in Phillipsburg who may have some knowledge about who may or may not done this," said Warren County Prosecutor Thomas Ferguson.

Kismathdas Kasam, 47, was working at the station when he was shot in the leg during a robbery attempt on Jan. 5. He died two days later.

The sketch of the man police said they are looking for now includes a $3,000 reward offered by the owner of the gas station.

"I wanted to bring that to the public for two reasons," said Ferguson.  "One to acknowledge his generosity."

Ferguson said the second reason is to keep this case fresh in the minds of the public.

Investigators say you can call 908-454-1121 or send a text message to TIP411.   Text the the keyword TIPPPD followed by your tip.