Keith Clay and Shannon Thomas
| birth_place = Harris County, Texas, U.S. | death_date = | death_place = Huntsville Unit, Huntsville, Texas, U.S. | victims = 4 (one as an accomplice) | conviction = Capital murder | criminal_penalty = Death | death_cause = Execution by lethal injection | criminal_status = Executed | states = Texas | country = United States }} Keith Bernard Clay (February 18, 1968 – March 20, 2003) and Shannon Charles Thomas (July 27, 1971 – November 16, 2005) were American murderers who killed a total of four people between December 1993 and January 1994. Thomas was convicted of the Christmas Eve, 1993 murders of 32-year-old Roberto Rios and his two children: 10-year-old Maria Rios and her 11-year-old brother, Victor Rios, in their Baytown, Texas home. Clay had also been present during the killings and confessed to attacking Roberto. Clay was convicted of the 1994 murder of a gas station clerk, during which Thomas was present. The killing occurred less than two weeks after the Rios family murders. Both were executed by lethal injection by the U.S. state of Texas, in 2003 and 2005, respectively. Provided by Wikipedia-
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2by Delavaux, Camille S., LaManna, Joseph A., Myers, Jonathan A., Phillips, Richard P., Aguilar, Salomón, Allen, David, Alonso, Alfonso, Anderson-Teixeira, Kristina J., Baker, Matthew E., Baltzer, Jennifer L., Bissiengou, Pulchérie, Bonfim, Mariana, Bourg, Norman A., Brockelman, Warren Y., Burslem, David F.R.P., Chang, Li Wan, Chen, Yang, Chiang, Jyh Min, Chu, Chengjin, Clay, Keith, Cordell, Susan, Cortese, Mary, den Ouden, Jan, Dick, Christopher, Ediriweera, Sisira, Ellis, Erle C., Feistner, Anna, Freestone, Amy L., Giambelluca, Thomas, Giardina, Christian P., Gilbert, Gregory S., He, Fangliang, Holík, Jan, Howe, Robert W., Huaraca Huasca, Walter, Hubbell, Stephen P., Inman, Faith, Jansen, Patrick A., Johnson, Daniel J., Kral, Kamil, Larson, Andrew J., Litton, Creighton M., Lutz, James A., Malhi, Yadvinder, McGuire, Krista, McMahon, Sean M., McShea, William J., Memiaghe, Hervé, Nathalang, Anuttara, Norden, NataliaArticle/Letter to editor bibliotecaWUR NL
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3by Menge, Duncan N.L., Chisholm, Ryan A., Davies, Stuart J., Abu Salim, Kamariah, Allen, David, Alvarez, Mauricio, Bourg, Norm, Brockelman, Warren Y., Bunyavejchewin, Sarayudh, Butt, Nathalie, Cao, Min, Chanthorn, Wirong, Chao, Wei Chun, Clay, Keith, Condit, Richard, Cordell, Susan, da Silva, João Batista, Dattaraja, H.S., de Andrade, Ana Cristina Segalin, de Oliveira, Alexandre A., den Ouden, Jan, Drescher, Michael, Fletcher, Christine, Giardina, Christian P., Savitri Gunatilleke, C.V., Gunatilleke, I.A.U.N., Hau, Billy C.H., He, Fangliang, Howe, Robert, Hsieh, Chang Fu, Hubbell, Stephen P., Inman-Narahari, Faith M., Jansen, Patrick A., Johnson, Daniel J., Kong, Lee Sing, Král, Kamil, Ku, Chen Chia, Lai, Jiangshan, Larson, Andrew J., Li, Xiankun, Li, Yide, Lin, Luxiang, Lin, Yi Ching, Liu, Shirong, Lum, Shawn K.Y., Lutz, James A., Ma, Keping, Malhi, Yadvinder, McMahon, Sean, McShea, William, Mi, Xiangcheng, Morecroft, Michael, Myers, Jonathan A., Nathalang, Anuttara, Novotny, Vojtech, Ong, Perry, Orwig, David A., Ostertag, Rebecca, Parker, Geoffrey, Phillips, Richard P., Abd. Rahman, Kassim, Sack, Lawren, Sang, Weiguo, Shen, Guochun, Shringi, Ankur, Shue, Jessica, Su, Sheng Hsin, Sukumar, Raman, Fang Sun, I., Suresh, H.S., Tan, Sylvester, Thomas, Sean C., Toko, Pagi S., Valencia, Renato, Vallejo, Martha I., Vicentini, Alberto, Vrška, Tomáš, Wang, Bin, Wang, Xihua, Weiblen, George D., Wolf, Amy, Xu, Han, Yap, Sandra, Zhu, Li, Fung, TakArticle/Letter to editor bibliotecaWUR NL
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4by Davies, Stuart J., Abiem, Iveren, Abu Salim, Kamariah, Aguilar, Salomón, Allen, David, Alonso, Alfonso, Anderson-Teixeira, Kristina, Andrade, Ana, Arellano, Gabriel, Ashton, Peter S., Baker, Patrick J., Baker, Matthew E., Baltzer, Jennifer L., Basset, Yves, Bissiengou, Pulchérie, Bohlman, Stephanie, Bourg, Norman A., Brockelman, Warren Y., Bunyavejchewin, Sarayudh, Burslem, David F.R.P., Cao, Min, Cárdenas, Dairon, Chang, Li Wan, Chang-Yang, Chia Hao, Chao, Kuo Jung, Chao, Wei Chun, Chapman, Hazel, Chen, Yu Yun, Chisholm, Ryan A., Chu, Chengjin, Chuyong, George, Clay, Keith, Comita, Liza S., Condit, Richard, Cordell, Susan, Dattaraja, Handanakere S., de Oliveira, Alexandre Adalardo, den Ouden, Jan, Detto, Matteo, Dick, Christopher, Du, Xiaojun, Duque, Álvaro, Ediriweera, Sisira, Ellis, Erle C., Obiang, Nestor Laurier Engone, Esufali, Shameema, Ewango, Corneille E.N., Fernando, Edwino S., Filip, Jonah, Fischer, Gunter A., Foster, Robin, Giambelluca, Thomas, Giardina, Christian, Gilbert, Gregory S., Gonzalez-Akre, Erika, Gunatilleke, I.A.U.N., Gunatilleke, C.V.S., Hao, Zhanqing, Hau, Billy C.H., He, Fangliang, Ni, Hongwei, Howe, Robert W., Hubbell, Stephen P., Huth, Andreas, Inman-Narahari, Faith, Itoh, Akira, Janík, David, Jansen, Patrick A., Jiang, Mingxi, Johnson, Daniel J., Jones, Andrew, Kanzaki, Mamoru, Kenfack, David, Kiratiprayoon, Somboon, Král, Kamil, Krizel, Lauren, Lao, Suzanne, Larson, Andrew J., Li, Yide, Li, Xiankun, Litton, Creighton M., Liu, Yu, Liu, Shirong, Lum, Shawn K.Y., Luskin, Matthew S., Lutz, James A., Luu, Hong Truong, Ma, Keping, Makana, Jean Remy, Malhi, Yadvinder, Martin, Adam, McCarthy, Caly, McMahon, Sean M., McShea, William J., Memiaghe, Hervé, Mi, Xiangcheng, Mitre, David, Mohamad, Mohizah, Monks, Logan, Muller-Landau, Helene C., Musili, Paul M., Myers, Jonathan A., Nathalang, Anuttara, Ngo, Kang Min, Norden, Natalia, Novotny, Vojtech, O'Brien, Michael J., Orwig, David, Ostertag, Rebecca, Papathanassiou, Konstantinos, Parker, Geoffrey G., Pérez, Rolando, Perfecto, Ivette, Phillips, Richard P., Pongpattananurak, Nantachai, Pretzsch, Hans, Ren, Haibo, Reynolds, Glen, Rodriguez, Lillian J., Russo, Sabrina E., Sack, Lawren, Sang, Weiguo, Shue, Jessica, Singh, Anudeep, Song, Guo Zhang M., Sukumar, Raman, Sun, I.F., Suresh, Hebbalalu S., Swenson, Nathan G., Tan, Sylvester, Thomas, Sean C., Thomas, Duncan, Thompson, Jill, Turner, Benjamin L., Uowolo, Amanda, Uriarte, María, Valencia, Renato, Vandermeer, John, Vicentini, Alberto, Visser, Marco, Vrska, Tomas, Wang, Xugao, Wang, Xihua, Weiblen, George D., Whitfeld, Timothy J.S., Wolf, Amy, Wright, Joseph, Xu, Han, Yao, Tze Leong, Yap, Sandra L., Ye, Wanhui, Yu, Mingjian, Zhang, Minhua, Zhu, Daoguang, Zhu, Li, Zimmerman, Jess K., Zuleta, DanielArticle/Letter to editor bibliotecaWUR NL