Capitol Police officers held an emotional commemoration for Brian Sicknick, killed during last week's riots.
The investigation comes after two city police officers were placed on administrative leave by interim Police Chief Adrian Diaz while authorities look into what role, if any, the officers played in Washington, D.C., when a violent mob of President Donald Trump's supporters stormed the nation's Capitol.
Across the country, the American flag has been lowered as a sign of respect for law enforcement that died during the attack on the Capitol.
Sund, who will step down from his post on January 16 after House Speaker Nancy Pelosi called for his resignation, said his request for help was rejected or delayed six times. This is routine, standard procedure whenever an officer deploys lethal force.
Statements released Sunday by the Capitol Police and its union did not specify a cause of death for Liebengood, who had been with the department since April 2005 and was assigned to the Senate Division.
Punjab conducts second dry run for Covid-19 vaccine
During his visit, Vardhan will review the preparedness and oversee the dry run operations at the scheduled sites. On Tuesday, however, the provincial government said that the federal government had hinted at a delay.
The Capitol Police did not request significant help from other law enforcement agencies in advance of the siege, which unfolded as lawmakers attempted to certify the victory of President-elect Joe Biden. According to Fox 5 D.C.
Officer Sicknick, 42, was bludgeoned to death with a fire extinguisher and died of his injuries late Thursday at a Washington hospital.
In a statement, the Officers of the United States Capitol Police said Liebengood, 51, was among the officers who responded to the rioting at the Capitol Wednesday.
"This is a tragic day".
The National WWI Museum and Memorial in Kansas City said Sunday it has lowered USA flags there to half-staff to recognize the two Capitol Police officers who died this week.