LANDOVER, Md. (WUSA9) -- A Prince George's County firefighter who was fatally shot earlier this month while performing a welfare check was added to a memorial for county firefighters who died in the line of duty.

Family and firehouse brothers held back tears Friday night as they watched John Ulmschneider's name added to the marker.

The most uplifting moment of the ceremony wasn’t on the program – but came when volunteer firefighter Kevin Swain arrived in his wheelchair.

Shot in the same incident, 19-year-old Swain survived.

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"I am very proud of my son [Swain]. I’m a mother, so I don’t think there’s words for what I feel. I’m beyond proud," Swain's mother said.

At 7:51 p.m., all words stopped for a moment of silence two weeks to the minute from when the incident began.

Afterwards, the county fire chief making clear that whatever questions remain about that night – he has none about his men’s actions.

"Our folks did what they were supposed to do that night. And I, and you, likely would have done the same thing," said Marc Bashoor, Prince George's County Fire Chief.

RELATED: Moment of silence held for slain Prince George's Co. firefighter

Ulmschneider’s widow and other family members steadied each other as his name was revealed on the memorial... then walked away.

And as the crowd thinned out, firefighters wheeled Swain up to the granite, and surrounded him in a tight circle for a private moment, amidst a public tragedy.