The man who entered the home didn’t appear to have any weapons and the student was not hurt, Yale police said.
“I think that there’s definitely some fear that this might be the same individual that might be doing this a number of times,” Millen said. “I think that if there is someone kind of going around looking for opportunities, people should make sure to lock their windows and just be extra vigilant, and I’m not sure the information - the way that it was communicated - necessarily made people feel like they should do that,” Millen said.
They also advise using a locking device that allows the window to open a few inches for ventilation and secure window air conditioners where possible.