Maybe , in part , that 's because he joined the police force as a homicide detective just a few years after that . NEW : Police ask public for information about convicted sex offender Sheila Lyon Lloyd Lee Welch Jr. was A few years later , her sister Katherine 10 , when they vanished . Their brother , Lloyd Lee Welch Jr. , saw them eating pizza that day . 12 , he joined the police force .
NEW : Police ask public for information about convicted sex offender Sheila Lyon Lloyd Lee Welch Jr. was A few years later , her sister Katherine 10 , when they vanished . Their brother , Lloyd Lee Welch Jr. , saw them eating pizza that day . 12 , he joined the police force .