Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| perpetrator | date | year | location | country | killed | injured |
| delgado morales , campo elias , 52 | 12.04 dec 4 | 1986.0 | bogotá | colombia | 29 | 12 |
| hennard , george pierre , 35 | 10.16 oct 16 | 1991.0 | killeen , tx | usa | 23 | 19 - 22 |
| huberty , james oliver , 41 | 07.18 july 18 | 1984.0 | san diego , ca | usa | 21 | 19 |
| ferreira de frança , genildo , 27 | 05.21 may 21 / 22 | 1997.0 | santo antônio dos barreiros | brazil | 14 | 03 3 |
| wong , jiverly antares , 41 | 04.03 april 3 | 2009.0 | binghamton , ny | usa | 13 | 04 4 |
| hz | 05.32 | 1959.9 | jz | bz | 100.9 | 100.9 |
| unruh , howard barton , 28 | 09.06 sep 6 | 1949.0 | camden , nj | usa | 13 | 03 3 |
| holmes , james eagan , 24 (suspect) | 07.20 july 20 | 2012.0 | aurora , co | usa | 12 | 62 |
| pough , james edward , 42 | 06.17 june 17 / 18 | 1990.0 | jacksonville , fl | usa | 11 | 06 6 |
| lozano velásquez , juan de jesús , 26 | 06.24 june 24 | 2000.0 | bogotá | colombia | 11 | 05 5 |
| caceres , gregorio , 50 | 02.18 feb 18 | 1942.0 | trujillo | venezuela | 11 | 04 4 |
| pz | 08.32 | 1994.9 | rz | mz | 100.9 | 100.9 |
| flores , oscar , 23 | 07.31 july 31 | 2005.0 | san jerónimo de juárez | mexico | 11 | 02 2 |
| unknown | 12.18 dec 18 | 1936.0 | monte aprazível | brazil | 10 - 16 | 0.0 |
| mclendon , michael kenneth , 28 | 03.10 march 10 | 2009.0 | kinston , samson & geneva , al | usa | 10 | 06 6 |
| starkweather , charles , 19 fugate , caril ann , 14 | 01.21 jan 21 - 29 | 1958.0 | lincoln & bennet , ne douglas , wy | usa | 10 | 0.1 0 |
| malagón gonzález , arnoldo , 22 | 06.01 june 1 | 1993.0 | soacha | colombia | 10 | 0.0 |
Title:
list of rampage killers
Statement:
all of the perpetrators are from the us
Answer:
refuted