Chemical Name Abbreviation Chemical Formula 2, 4 Dichlorophenoxyacetic acid 2,4-D1 C8H6Cl2O3 Methylchlorophenoxypropinoic acid MCPP C10H11ClO3 2,3,7,8-Tetrachlorodibenzodioxin TCDD C12H4Cl4O2 4-(2,4-dichlorophenoxy)butyric acid 2,4-DB C10H10Cl2O3 2,4,5-Trichlorophenoxyacetic acid 2,4,5-T C8H5Cl3O3 2-methyl-4-chlorophenoxyacetic acid MCPA C9H9ClO3 (R)-2-(2,4-dichlorophenoxypropanoic acid 2,4-D2 C9H8ClO3 Person Herbicide (Abbreviation) Adam Icbomb 2,4-D1 Mortimer Mole TCDD Elle-Ectro Negativity 2,4,5-T U.N. Balanced MCPA Chem S. Tree MCPA What pesticide killed Chem S. Tree? MCPA Who killed Chem S. Tree? Suspect 4 How do you know/can prove that your chosen suspect was the killer? Because the same pesticide that was left in Chem S. Tree was found in suspect 4.