21:15The No 1 Ladies' Detective AgencySeries 1Episode 4: Tears of the GiraffeBBC Radio 4 Extra Duration: 45 minutes Thu 22nd Jul 2010, 21:15 on BBC Radio 7Precious Ramotswe gets a surprise, while her case of the missing American has yet to be solved. Stars Claire Benedict.GenresDramaCrimeBrandThe No 1 Ladies' Detective AgencySeriesThe No 1 Ladies' Detective Agency: Series 1 Source: BBC Online