20a when cap 40 is inverted from its position shown in fig1 and 5 fig1 best shows the tamper proof container of the invention following procurement and prepared for opening and subsequent access to the medicaments therein an initial complete visual observation should be made by the user including observing cap barrier 40 for evidence of drill through and redressing and an observation of shield guard 41 to ensure that it is not broken away from cap 40 to open the container it is necessary to strike shield guard 41 to break it cleanly at its juncture with cap 40 and to raise shield 24 to access cut in slot 16 fig4 threads 20a and 24a are completely disengaged by turning shield 24 and sliding shield guard 41 and shield 24 upward surrounding cap 40 a suitable knife or the like is used to cut neck base 4 entirely across at cut in slot 16 within the limits provided by lower limiting guide 20 and upper limiting guide 18 with the result being as shown in fig5 a visual inspection is made of security barrier ring guard 38 and security barrier 28 shown in fig5 ring guard 38 is broken off.