He says his wife was troubled by a lengthy discussion she read online Tuesday after his appointment in which people talked about wanting to see him dead.
The threats follow the resignations Monday of the university system's president and the Columbia campus' chancellor after student protests over their handling of racial issues.
Basler and assistant professor Melissa Click of the school's communications department drew criticism for trying to stop a freelance student photographer from taking pictures of protesters celebrating the university system president's resignation announcement on Monday.
Katiana Roc says she can't forget the day that a white student a few seats away from her at West Virginia University got up and moved to the other side of the classroom.
Soon after Missouri President Tim Wolfe announced he would step down on Monday, a crowd of more than 1,000 gathered peacefully at the Afro-American Cultural Center at Yale University in New Haven, Connecticut, for a "March of Resilience", in solidarity with Missouri. Two other Missouri college students were also charged with threatening campus violence.
Hunter M. Park was charged Wednesday in Boone County Circuit Court with making a terrorist threat. The University of Missouri has had a tumultuous fall semester - what the student newspaper has called "a historic fall" - because of a number of issues and outrages.
One of the threats said: "Some of you are alright".
Two of those are part of the four-campus University of Missouri System - Missouri-St. He was jailed in Columbia on a preliminary charge of suspicion of making a terrorist threat.
Yik Yak is an anonymous social media app that allows users to create and view posts within a 5-mile radius.
The report from an officer identified only as "Bakerb7" said the officer was called to a coed restroom that served five private dorm rooms in Gateway Hall.
Michael Middleton was introduced Thursday after his appointment by the Board of Curators. He will lead the four-campus university system until a permanent replacement is found. University of Missouri grounds maintenance workers begins to clean up Mel Carnahan Quad on the University of Missouri campus Wednesday, Nov.11, 2015, in Columbia, Mo. The backlash against those protests has also led to threats of violence, canceled classes, and widespread fear among students of color.
In this November 9, 2015, file photo, students cheer while listening to members of the black student protest group Concerned Student 1950 speak following the announcement that the University of Missouri System President Tim Wolfe would resign at the university in Columbia, Mo.
Middleton retired as deputy chancellor of the Columbia campus in August and became a deputy chancellor emeritus.
The University of Missouri Police say the department has arrested a suspect accused of making online threats against black students and faculty. He was arrested Wednesday in his dormitory.
A spokeswoman for the Rolla school, Mary Helen Stoltz, said she did not know whether the university planned to take any action against Park over his arrest. He is due to appear in court Thursday afternoon. "Mizzou" is the colloquial name for the University of Missouri.
Wolfe and the chancellor of the Columbia campus, R. Bowen Loftin, abruptly resigned on Monday. This week, the university's black culture center reported a threat, and its sign was spray-painted by vandals. Police were reviewing video surveillance from the area.
The tension was still high on the main Columbia campus, where there was a greater-than-usual police presence. He will be arraigned later Thursday.
Many on social media are casting a critical eye on the ideological agenda behind the student protests. This was a gesture toward the post made on 4chan, an anonymous board infamous for its shocking content, the night before the shooting at an OR community college last month.
Administrators didn't react to the threats, backing up claims from Black students that racism is an ongoing issue at the school.
Park is from the St. Louis suburb of Lake St. Louis, Missouri, according to jail records. Park is charged with felony making a terroristic threat.
Police in Rolla are investigating another social media threat, this one directed at students attending Missouri University of Science and Technology.
The online posts on Yik Yak and other social media Tuesday threatened to "shoot every black person I see". Several postings have questioned if that really happened.
It did, according to a report filed by a campus police officer who saw the swastika, along with feces on the floor of the restroom.
Recent racist incidents and the perceived lack of response by administrators led to protests, a student hunger strike and a threatened boycott by the football team.