The Senate is readying to present impeachment charges against Secretary of Homeland Security Alejandro Mayorkas, while the Republican Party is preparing for a possible motion to dismiss the articles.

On Wednesday, the Senate will receive articles of impeachment against Department of Homeland Security Secretary Alejandro Mayorkas from the House of Representatives. The question that remains is what the Democrats, who hold a majority in the upper chamber, will do after being sworn in as jurors.

Democrats are facing pressure from Senate Republicans, who warn that they may use a procedural maneuver to quickly end a trial against Mayorkas, effectively killing it.

On Tuesday at 2:15 p.m., the impeachment managers for the House will physically deliver the House-passed articles to Majority Leader Chuck Schumer, D-N.Y., in his office.

After the article delivery, some House impeachment managers will join Sen. Mike Lee, R-Utah, for a press conference.

GOP senators persuaded Johnson to delay the process's start, which was originally scheduled to begin on Wednesday last week, in order to initiate a trial earlier in the week and not over the weekend when lawmakers would be eager to leave.

In February, the articles passed through the House, giving Republican senators time to pressure their Democrat colleagues, particularly those facing competitive races in November. As the border has become a top issue in many states, several vulnerable Democrats are facing a difficult position when it comes to impeaching Mayorkas.

The impeachment trial of President Trump is set to begin on Wednesday, with Sens. Bob Casey, Sherrod Brown, Jacky Rosen, Tammy Baldwin, and Jon Tester among those who will be sworn in. While Rosen has stated that she would like to see the articles dismissed, the other Democrats have not disclosed their stance on a potential motion to table or dismiss the trial.

The GOP's quest to see a full trial through may face opposition from Sens. Mitt Romney, Susan Collins, and Lisa Murkowski, who have expressed reservations about impeachment. Romney has questioned whether there were any high crimes or misdemeanors committed, suggesting a policy difference didn't warrant impeachment.

The outcome of what happens upon swearing in will be determined by a small group of senators, as the Senate's party split is narrow at 49-51.

To compel senators to permit a complete trial, some Senate Republicans are considering halting all legislative activity in the upper chamber by opposing routine proceedings. Several senators have pointed out that unanimous consent is required to maintain the Senate's momentum, and Republicans are preparing to object to typically uncontested actions that streamline Senate proceedings and save time.

In a floor speech on Monday, Senator Dick Durbin, D-Ill., called for the rejection of the impeachment charges.

"Instead of working to find legislative solutions to complex, challenging problems, too many Republicans have chosen to focus on impeaching a Cabinet official for doing his job," he said.

He implored his fellow senators to promptly dismiss these unfounded articles of impeachment.