After two people were shot and killed at Virginia Tech on Thursday, Penn’s Division of Public Safety plans to prepare for the possibility of a similar event on campus.

Greening vacant spaces in Philadelphia has been found to reduce crime, according to Perelman School of Medicine research.

Raymond Haywood, who was once a employee at Starbucks on campus, will appear in court Thursday for the alleged armed robbery of 1920s Commons. His violent criminal history has raised questions about Penn’s hiring practices.

The DP’s weekly crime blotter, with an interactive map.

Penn Police arrested Bon Appétit employee Raymond Haywood the day before Thanksgiving for the alleged armed robbery that occurred at 1920 Commons on Nov. 15

2004 College graduate Kevin Neary who was shot in the neck two weeks ago has recently progressed to being able to breathe for a short period of time without a ventilator — but will still need more surgeries to stabilize his neck.

Penn Police have identified a suspect who entered 1920 Commons Tuesday night and — with the help of a gun — made off with cash, the Division of Public Safety confirmed. INTERACTIVE: History of the UPennAlert system

Penn’s Division of Public Safety works to prevent sexual assault from falling through the cracks like it allegedly did at Pennsylvania State University.

In a rare turn of events, prosecutors in former state Sen. Vince Fumo’s federal corruption case are asking the judge to give the defendant more time in prison. INTERACTIVE: The Fumo case

Six thefts and one act of burglary were perpetrated throughout the week.

Overall, October saw a significant decrease in crime. Compared to 102 crimes in October 2010, this October saw only 67 crimes total, including crimes against persons and property. INTERACTIVE: October crime 2007-2011

Forty underage students were cited Thursday night at The Blockley Pourhouse, located at 38th and Chestnut streets, for alleged underage drinking.

Pretty women who are accused perpetrators of violent crime almost always receive more than their fair share of media attention.

Breakdown of crime on and around campus last week, with an interactive map.

Crimes committed on and around campus last week, with an interactive map.

September crime saw an increase of about 12 percent in crimes against property and a 25 percent increase in crimes against people, according to the Division of Public Safety.

The enforcer of Wall Street, United States Attorney Preet Bharara, made a special visit to Huntsman Hall last Thursday, urging students to lead their lives with integrity and humility.