*UPDATED/ARREST* $50K Reward Offered After Postal Worker Shot To Death While Delivering Mail | VIDEO

[ABC7|VIDEO] A mail carrier was shot to death Friday evening in Milwaukee, police said.

Police said the 44-year-old man had worked for the US Postal Service for 18 years. They did not release his name.

“The Milwaukee Police Department sends our sincere condolences to the victim’s family and to the USPS for the loss of their member,” the department said in a statement.

Investigators did not provide any information about suspects or motive.

The US Postal Inspection Service is leading the investigation, CNN reported. [FULLSTORY]

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STORY UPDATES BELOW

• ARREST: Milwaukee postal worker killed; 3 charged in federal complaint