perpetrator                   date    year                location       country  killed       injured                       additional notes
0                             kehoe , andrew philip , 55           05.18 may 18  1927.0      bath township , mi            us    44.0            58                      committed suicide
1                                 cho , seung - hui , 23         04.16 april 16  2007.0         blacksburg , va            us    32.0            17                      committed suicide
2                                lanza , adam peter , 20           12.14 dec 14  2012.0            newtown , ct            us    27.0          02 2                      committed suicide
3                            hamilton , thomas watt , 43         03.13 march 13  1996.0                dunblane            uk    17.0    13 13 - 15                      committed suicide
4                              steinhäuser , robert , 19         04.26 april 26  2002.0                  erfurt       germany    16.0          01 1                      committed suicide
5                                                     hz                  03.32  1999.9                      dz            cz    10.9          09.9                                     zz
6                          whitman , charles joseph , 25  07.31 july 31 / aug 1  1966.0             austin , tx            us    15.0            32  shot by police killed an unborn child
7                                  kretschmer , tim , 17         03.11 march 11  2009.0  winnenden & wendlingen       germany    15.0  09.13 9 - 13                      committed suicide
8                                     lépine , marc , 25            12.06 dec 6  1989.0           montreal , qc        canada    14.0            14                      committed suicide
9   harris , eric david , 18 klebold , dylan bennet , 17         04.20 april 20  1999.0          columbine , co            us    13.0            21                 both committed suicide
10                                  gadirov , farda , 28         04.30 april 30  2009.0                    baku    azerbaijan    12.0            13                      committed suicide
11                                                    mz                  04.32  2008.9                      mz           ukz    14.9          14.9                                     zz
12                 menezes de oliveira , wellington , 23          04.07 april 7  2011.0          rio de janeiro        brazil    12.0            12                      committed suicide
13                                     bai ningyang , 18            05.08 may 8  2006.0                 shiguan         china    12.0          05 5                     sentenced to death
14                                 seifert , walter , 42          06.11 june 11  1964.0               volkhoven  west germany    10.0            22                      committed suicide
15                             saari , matti juhani , 22           09.23 sep 23  2008.0               kauhajoki       finland    10.0    01.3 1 - 3                      committed suicide
16                                      wu huanming , 47           05.12 may 12  2010.0                linchang         china     9.0            11                      committed suicide

Table as JSON:
{"perpetrator":{"0":"kehoe , andrew philip , 55","1":"cho , seung - hui , 23","2":"lanza , adam peter , 20","3":"hamilton , thomas watt , 43","4":"steinhäuser , robert , 19","5":"hz","6":"whitman , charles joseph , 25","7":"kretschmer , tim , 17","8":"lépine , marc , 25","9":"harris , eric david , 18 klebold , dylan bennet , 17","10":"gadirov , farda , 28","11":"mz","12":"menezes de oliveira , wellington , 23","13":"bai ningyang , 18","14":"seifert , walter , 42","15":"saari , matti juhani , 22","16":"wu huanming , 47"},"date":{"0":"05.18 may 18","1":"04.16 april 16","2":"12.14 dec 14","3":"03.13 march 13","4":"04.26 april 26","5":"03.32","6":"07.31 july 31 \/ aug 1","7":"03.11 march 11","8":"12.06 dec 6","9":"04.20 april 20","10":"04.30 april 30","11":"04.32","12":"04.07 april 7","13":"05.08 may 8","14":"06.11 june 11","15":"09.23 sep 23","16":"05.12 may 12"},"year":{"0":1927.0,"1":2007.0,"2":2012.0,"3":1996.0,"4":2002.0,"5":1999.9,"6":1966.0,"7":2009.0,"8":1989.0,"9":1999.0,"10":2009.0,"11":2008.9,"12":2011.0,"13":2006.0,"14":1964.0,"15":2008.0,"16":2010.0},"location":{"0":"bath township , mi","1":"blacksburg , va","2":"newtown , ct","3":"dunblane","4":"erfurt","5":"dz","6":"austin , tx","7":"winnenden & wendlingen","8":"montreal , qc","9":"columbine , co","10":"baku","11":"mz","12":"rio de janeiro","13":"shiguan","14":"volkhoven","15":"kauhajoki","16":"linchang"},"country":{"0":"us","1":"us","2":"us","3":"uk","4":"germany","5":"cz","6":"us","7":"germany","8":"canada","9":"us","10":"azerbaijan","11":"ukz","12":"brazil","13":"china","14":"west germany","15":"finland","16":"china"},"killed":{"0":44.0,"1":32.0,"2":27.0,"3":17.0,"4":16.0,"5":10.9,"6":15.0,"7":15.0,"8":14.0,"9":13.0,"10":12.0,"11":14.9,"12":12.0,"13":12.0,"14":10.0,"15":10.0,"16":9.0},"injured":{"0":"58","1":"17","2":"02 2","3":"13 13 - 15","4":"01 1","5":"09.9","6":"32","7":"09.13 9 - 13","8":"14","9":"21","10":"13","11":"14.9","12":"12","13":"05 5","14":"22","15":"01.3 1 - 3","16":"11"},"additional notes":{"0":"committed suicide","1":"committed suicide","2":"committed suicide","3":"committed suicide","4":"committed suicide","5":"zz","6":"shot by police killed an unborn child","7":"committed suicide","8":"committed suicide","9":"both committed suicide","10":"committed suicide","11":"zz","12":"committed suicide","13":"sentenced to death","14":"committed suicide","15":"committed suicide","16":"committed suicide"}}