Tennis referee 'too frail to kill': lawyers

The top US tennis referee accused of beating her 80-year-old husband to death is too physically frail to have carried out the killing, her lawyer claims.

Lois Ann Goodman has had two knee replacements, a shoulder replacement, suffers from rheumatoid arthritis, hearing loss and constant spinal pain and is awaiting another shoulder replacement, Alison Triessl said in court documents.