The Sunday Times said a fellow soldier had gone to the “proper people” immediately after hearing a squaddie confess to the killing, but said he was told to “shut up” when he reported it and no action was taken.

[5][6] Defence Secretary Ben Wallace denied that the British military had covered-up Wanjiru's murder, but admitted guilt to and expressed concern over the Army hierarchy turning a "blind eye" to the use of prostitutes by personnel, especially within “countries in poverty”.

[7][8] In 2021, screenshots of a private Facebook group chat allegedly run by soldiers of the Duke of Lancaster's Regiment were published across British newspapers.

Personnel found to have engaged in what the Ministry of Defence describes as “transactional sex” face the prospect of dismissal – and they could also be prosecuted if in countries where prostitution is illegal.

[12] In 2021 a colour sergeant from 4th Battalion, the Duke of Lancaster's Regiment was fined and dismissed for lifting the skirt of a Kenyan woman, whom he knew, in a shopping mall in Nanyuki while intoxicated.

A British Army spokesperson described the colour sergeant's conduct as disgraceful and said;“This was appalling behaviour from the senior non-commissioned officer.” [14] The regiment's 4th (Territorial) Battalion has served in Iraq, Cyprus and Afghanistan.

[15] In recent years, deployments have included Denmark, Italy, Nigeria, South Sudan, Kenya, Lithuania, the Baltics, Poland, the Balkans and Georgia.